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Protecting Access One Entry at a Time: An Update on the National Inventory of Legal Materials

Access to justice, authentication, digital law, free access to law, Law.gov, Legal citations, Public access to legal information 5 Responses »
Feb 012012

In the fall of 2009, the American Association of Law Libraries (AALL) put out a call for volunteers to participate in our new state working groups to support one of AALL’s top policy priorities: promoting the need for authentication and preservation of digital legal resources. It is AALL policy that the public have no-fee, permanent public access to authentic online legal information. In addition, AALL believes that government information, including the text of all primary legal materials, must be in the public domain and available without restriction.

The response to our call was overwhelming, with volunteers from all 50 states and the District of Columbia expressing interest in participating. To promote our public policy priorities, the initial goals of AALL’s working groups were to:

  • Take action to oppose any plan in their state to eliminate an official print legal resource in favor of online-only, unless the electronic version is digitally authenticated and will be preserved for permanent public access;
  • Oppose plans to charge fees to access legal information electronically; and
  • Ensure that any legal resources in a state’s raw-data portal include a disclaimer so that users know that the information is not an official or authentic resource (similar to what is included on the Code of Federal Regulations XML on Data.gov).

In late 2009, AALL’s then-Director of Government Relations Mary Alice Baish met twice with Law Librarian of Congress Roberta Shaffer and Carl Malamud of Public.Resource.org to discuss Law.gov and Malamud’s idea for a national inventory of legal materials. The inventory would include legal materials from all three branches of government. Mary Alice volunteered our working groups to lead the ambitious effort to contribute to the groundbreaking national inventory. AALL would use this data to update AALL’s 2003 “State-by-State Report on Permanent Public Access to Electronic Government Information” and the 2007 “State-by-State Report on Authentication of Online Legal Resources” and 2009-2010 updates, which revealed that a significant number of state online legal resources are considered to be “official” but that few are authenticating. It would also help the Law Library of Congress, which owns the Law.gov domain name, with their own ambitious projects.

Erika Wayne and Paul Lomio at Stanford University’s Robert Crown Law Library developed a prototype for the national inventory that included nearly 30 questions related to scope, copyright, cost to access, and other use restrictions. They worked with the California State Working Group and the Northern California Association of Law Libraries to populate the inventory with impressive speed, adding most titles in about two months.

AALL’s Government Relations Office staff then expanded the California prototype to include questions related to digital authentication, preservation, and permanent public access. Our volunteers used the following definition of “authentication” provided by the Government Printing Office:

An authentic text is one whose content has been verified by a government entity to be complete and unaltered when compared to the version approved or published by the content originator.

Typically, an authentic text will bear a certificate or mark that conveys information as to its certification, the process associated with ensuring that the text is complete and unaltered when compared with that of the content originator.

An authentic text is able to be authenticated, which means that the particular text in question can be validated, ensuring that it is what it claims to be.

The “Principles and Core Values Concerning Public Information on Government Websites,” drafted by AALL’s Access to Electronic Legal Information Committee (now the Digital Access to Legal Information Committee) and adopted by the Executive Board in 2007, define AALL’s commitment to equitable, no-fee, permanent public access to authentic online legal information. The principle related to preservation states that:

Information on government Web sites must be preserved by the entity, such as a state library, an archives division, or other agency, within the issuing government that is charged with preservation of government information.

  • Government entities must ensure continued access to all their legal information.
  • Archives of government information must be comprehensive, including all supplements.
  • Snapshots of the complete underlying database content of dynamic Web sites should be taken regularly and archived in order to have a permanent record of all additions, changes, and deletions to the underlying data.
  • Governments must plan effective methods and procedures to migrate information to newer technologies.

In addition, AALL’s 2003 “State-By-State Report on Permanent Public Access to Electronic Government Information” defines permanent public access as, “the process by which applicable government information is preserved for current, continuous and future public access.”

Our volunteers used Google Docs to add to the inventory print and electronic legal titles at the state, county, and municipal levels and answer a series of questions about each title. AALL’s Government Relations Office set up a Google Group for volunteers to discuss issues and questions. Several of our state coordinators developed materials to help other working groups, such as Six Easy Steps to Populating Your State’s Inventory by Maine State Working Group coordinator Christine Hepler, How to Put on a Successful Work Day for Your Working Group by Florida State Working Group co-coordinators Jenny Wondracek and Jamie Keller, and Tips for AALL State Working Groups with contributions from many coordinators.

In October 2010, AALL held a very successful webinar on how to populate the inventories. More than 200 AALL and chapter members participated in the webinar, which included Kentucky State Working Group coordinator Emily Janoski-Haehlen, Maryland State Working Group coordinator Joan Bellistri, and Indiana State Working Group coordinator Sarah Glassmeyer as speakers. By early 2011, more than 350 volunteers were contributing to the state inventories.

Initial Findings

Our dedicated volunteers added more than 7,000 titles to the inventory in time for AALL’s June 30, 2011 deadline. AALL recognized our hard-working volunteers at our annual Advocacy Training during AALL’s Annual Meeting in Philadelphia, and celebrated their significant accomplishments. Timothy L. Coggins, 2010-11 Chair of the Digital Access to Legal Information Committee, presented these preliminary findings:

  • Authentication: No state reported new resources that have been authenticated since the 2009-2010 Digital Access to Legal Information Committee survey
  • Official status: Several states have designated at least one legal resource as official, including Arizona, Florida, and Maine
  • Copyright assertions in digital version: Twenty-five states assert copyright on at least one legal resource, including Oklahoma, Pennsylvania, and Rhode Island
  • Costs to access official version: Ten states charge fees to access the official version, including Kansas, Vermont, and Wyoming
  • Preservation and Permanent Public Access: Eighteen states require preservation and permanent public access of at least one legal resource, including Tennessee, Virginia, and Washington

Analyzing and Using the Data

In July 2011, AALL’s Digital Access to Legal Information Committee formed a subcommittee that is charged with reviewing the national inventory data collected by the state working groups. The subcommittee includes Elaine Apostola (Maine State Law and Legislative Reference Library), A. Hays Butler (Rutgers University Law School Library), Sarah Gotschall (University of Arizona Rogers College of Law Library), and Anita Postyn (Richmond Supreme Court Library). Subcommittee members have been reviewing the raw data as entered by the working group volunteers in their state inventories. They will soon focus their attention on developing a report that will also act as an updated version of AALL’s State-by-State Report on Authentication of Online Legal Resources.

The report, to be issued later this year, will once again support what law librarians have known for years: there are widespread issues with access to legal resources and there is an imminent need to prevent a trend of eliminating print resources in favor of electronic resources without the proper safeguards in place. It will also include information on: the official status of legal resources; whether states are providing for authentication, permanent public access, and/or preservation of online legal resources; any use restrictions or copyright claims by the state; and whether a universal (public domain) citation format has been adopted by any courts in the state.

In addition to providing valuable information to the Law Library of Congress and related Law.gov projects, this information has already been helpful to various groups as they proceed to advocate for no-fee, permanent public access to government information. The data has already been useful to advocates of the Uniform Electronic Legal Material Act and will continue to be valuable to those seeking introduction and enactment in their states. The inventory has been used as a starting point for organizations that are beginning digitization projects of their state legal materials. The universal citation data will be used to track the progress of courts recognizing the value of citing official online legal materials through adopting a public domain citation system. Many state working group coordinators have also shared data with their judiciaries and legislatures to help expose the need for taking steps to protect our state legal materials.

The Next Steps: Federal Inventory

In December 2010, we launched the second phase of this project, the Federal Inventory. The Federal Inventory will include:

  • Legal research materials
  • Information authored or created by agencies
  • Resources that are publicly accessible

Our goals are the same as with the state inventories: to identify and answer questions about print and electronic legal materials from all three branches of government. Volunteers from Federal agencies and the courts are already adding information such as decisions, reports and digests (Executive); court opinions, court rules, and Supreme Court briefs (Judicial); and bills and resolutions, the Constitution, and Statutes at Large (Legislative). Emily Carr, Senior Legal Research Specialist at the Law Library of Congress, and Judy Gaskell, retired Librarian of the Supreme Court, are coordinating this project.

Thanks to the contributions of an army of AALL and chapter volunteers, the national inventory of legal materials is nearly complete. Keep an eye on AALL’s website for more information as our volunteers complete the Federal Inventory, analyze the data, and promote the findings to Federal, state and local officials.

Tina S. Ching is the Electronic Services Librarian at Seattle University School of Law. She is the 2011-12 Chair of the AALL Digital Access to Legal Information Committee.

 

Emily Feltren is Director of Government Relations for the American Association of Law Libraries.

 
 

[Editor’s Note: For topic-related VoxPopuLII posts please see: Barbara Bintliff, The Uniform Electronic Legal Material Act Is Ready for Legislative Action; Jason Eiseman, Time to Turn the Page on Print Legal Information; John Joergensen, Authentication of Digital Repositories.]

VoxPopuLII is edited by Judith Pratt. Editors-in-Chief are Stephanie Davidson and Christine Kirchberger, to whom queries should be directed. The information above should not be considered legal advice. If you require legal representation, please consult a lawyer.

Posted by Feltren Emily at 9:00 am Tagged with: , , , , ,

The Loris in the Library

Collaboration in legal informatics, free access to law, Interdisciplinary collaboration in legal informatics, Law librarians, Law libraries 6 Responses »
Dec 152010

Much to the dismay of several family members, I majored in anthropology in college. For those of you not up on your social sciences or Greek roots, anthropology is the study of all aspects of human existence, from the human genome, to cultures, to evolutionary history, to our primate cousins, and many things in between. Much to every one’s surprise, however, I couldn’t have picked a more useful major to help me navigate the ever-changing landscape of modern librarianship and legal information.

Besides analytical thinking and general research skills, my anthropology classes taught me how to make connections between seemingly divergent ideas, to dispassionately observe human interactions, and to respect differing cultures. Although they were not directly related to my career goals, I loved my primatology courses the most. Observing primate social networks allows one to distill the essence of a relationship without the confusing trappings of cultural artifacts. As an added bonus, monkeys are really cute.

LorisMy favorite non-human primate is not a monkey, actually. It’s the genus Nycticebus, more commonly known as the Slow Loris. They are absolutely adorable! Lorises are nocturnal, tree dwelling lower primates. They split off from the human evolutionary chain about 50 million years ago and haven’t evolved much since then. They don’t have many natural predators, but when they do need to defend themselves they rely on poisonous saliva or by curling up in a ball and hiding. Due to the lack of predators and their widely varied diet, they tend to move very slowly and cautiously through the trees.

You’re probably thinking to yourself right about now, “Well, this is nice and moderately interesting, but why is she writing about lorises in an legal information blog?” Well, if an overly cautious, slow moving, non-evolving primate that responds to threats by a poison tongue or hiding and pretending the threat isn’t there didn’t remind you of anything, well then I guess you haven’t spent much time around librarians.

What’s Wrong with Librarians?

Oh, everyone calm down. Put away your pitchforks. While no one loves to play “Poke the Bunhead with a Stick” more than I, that is not the point of this essay. Rather, I am here to answer the question, “What is wrong with librarians?” As a librarian who spends a significant amount of time discussing legal information issues with non-librarians, I am often asked this very question. Many times with some colorful adjectives thrown in for good measure.

Here’s the short answer: There’s nothing WRONG with librarians.

Libraries and librarians have different cultures and missions than other players in the information business, and thus place what may seem to be an unreasonable emphasis on certain attributes of an information delivery mechanism, or require characteristics of it that may seem unnecessary. Frankly, we think you’re pretty weird too. However, automatically labeling beliefs and actions different than yours as “wrong” creates unnecessary divisions between groups that must collaborate. Everyone – librarians, computer scientists, legal publishers, government bureaucrats, etc. – needs to work towards a greater cultural understanding of the other players so that mutually beneficial and important projects – for instance, law.gov – are not lost to petty infighting and simple misunderstandings that devolve into huge clashes.

Now for a slightly longer answer…

Libraries, as a cultural institution, have existed for millennia. Through that time their collections transitioned from clay tablets to papyrus scrolls to codices to printed books. It is only relatively recently – about one percent of the time of their existence – that libraries have been confronted with digital media. This means that library culture primarily evolved during a time span in which information containers were tangible objects. Furthermore, during this time libraries’ mission has been mainly to preserve and protect the information for the long-term good of the civilization, even at the cost of preventing contemporary users from accessing it. Finally, libraries have existed for the most part without competition in either resource collection or distribution.

Law librarians, in addition to the library enculturation, have often received legal training. If you’ve not had the pleasure, suffice it to say that respect for the rule of law, adherence to social order, and an obsession with order, ritual, and formality are just a few of the many benefits that one receives from an American legal education. (Other benefits include nightmares about Contract Law finals, an inability to watch courtroom dramas without pointing out the inaccuracies of the script, and a competitive streak that would put most Olympic athletes to shame.) The informally educated are very similarly situated.

So, here we have a group of people used to being in control of tangible objects that they would rather preserve than use. Additionally, these people put the legal system and its laws up on a pedestal and rigidly cling to its structure and hierarchy. Is it any wonder, then, that the idea of accepting an electronic version of a law hosted by a private organization without a stamp of government approval sends them into a bit of a tizzy?

Let’s go back to our furry friend the loris.

As I said, the lorises move slowly. Glacially, even. I mean, I’m talking sloooooooow. Why is that? Well, they don’t have a physical impediment keeping them that way. Nor should it be assumed that they are lazy or have some other character defect (as if one could assign character defects to wild animals.) As a matter of fact, when they choose to catch live prey they can move quite quickly. They operate this way because when one is creeping along small jungle branches high in the air in the middle of the night and not running from any particular predator, it pays off to take one’s time and be cautious.

Similarly, librarians don’t cling to print materials out of some romantic notion of the superiority of books, nor do they make repeated demands for stable, authenticated archives of electronic materials just to make you crazy. When one is tasked with the preservation of information – on behalf not just of those looking for it ten years from now, but also of those looking hundreds if not thousands of years from now – and no one else is really in the information distribution or storage business, it pays to take one’s time and be cautious when determining what container to put that information in, especially when what you’ve been doing for the past 1,000 or so years has been working for you.

You Say You Want an Evolution…

A major factor in the loris’s being able to move slowly is that it has few predators or competitors for resources. At least until recently, that is. A primate by the name of Homo sapiens has hunted the loris right onto the endangered species list.

Like the loris, libraries are no longer the sole occupiers of their niche spot in the environment . . . and what a rapidly changing environment it is. No longer are libraries the sole gatekeepers and preservers of information. Information is also coming from new providers and in different containers than what libraries have been used to.

While I said above that they are not “wrong,” that does not mean that libraries and librarians couldn’t do some things better. Librarians, as a species, are very risk-averse. If I had to guess, I’d say it had something to do with being the only information gatekeepers for so long. Now, generally, there’s nothing wrong with being a little cautious, especially when there’re no do-overs (as is the case with lost information.)

But with librarians this risk aversion has grown like a cancer and now manifests itself as a fear of failure. This fear has become so ingrained in the culture that innovation and progress are inhibited. Contrast that with the tech sector – home to many future library partners – where trial and error are encouraged and participants have a freedom to fail. It behooves librarians to embrace this culture of innovation and develop a respect for failure lest they become completely stagnant and, as a result, obsolete.

Unlike the loris, libraries are operated by sapient beings that can adapt to changes in their environments. Libraries need to choose to acknowledge these changes and model some – but not all – of their behaviors after newer and perhaps more successful members of the ecosystem. As it stands now, librarian participation in a multidisciplinary project is often regarded as more of a hindrance than a help.  If librarians don’t change, they will eventually stop being invited to the conversation.   Ideally these other ecosystem members will be patient with the process of evolution and appreciate the qualities the libraries posses and the values that librarians bring to a discussion.

One way to develop this mutual respect is to interact professionally and demonstrate one’s knowledge, skills, and willingness to collaborate. Unfortunately, up until now most interaction between librarians and other information industry members has arisen out of conflict – librarians wagging their fingers, telling someone that they’re wrong or complaining that librarians are being persecuted by the mean old vendors. Another important factor in gaining professional respect is the ability to give and receive constructive criticism without resorting to petty snipes or retreating to salve wounded egos.

Get in the Goddamn Wagon

A few weeks ago, I was sent a link to Peter Brantley‘s blog post, “Get in the Goddamn Wagon,” an inspiring call to action for newer librarians to become involved in future planning for libraries. It’s a good read and worth a look, but I bring it up here for two perhaps non-obvious reasons. One, it’s notable for who sent it to me – none other than Thomas R. Bruce, Director of the Legal Information Institute.

Tom has been a valuable friend and mentor to me. He is not, however, a librarian. Still, because I know he respects me while perhaps not always understanding the reasons behind my actions – and vice versa – we have been able to forge a cooperative professional relationship. Because of this mutual respect, when he offers a suggestion on how libraries might change, I listen and consider his suggestion instead of automatically discounting it because he’s not a librarian.

The other reason that I mention that blog post is that it introduced me to the William Faulkner quote, “Them that’s going,” he said, “get in the goddamn wagon. Them that ain’t, get out of the goddamn way.” I wish I could say, “Librarians . . . computer scientists . . . legal publishers . . . let’s all hold hands now and sing kum-bay-yah!” However, while I am hopeful that cultural differences between these groups can be diminished and a feeling of amity develops between them, I am realistic.

So instead I say, “Get in the goddamn wagon or get out of the goddamn way.” I imagine at times the ride will be about as comfortable and collegial as a bunch of children crammed in a station wagon for a family vacation road trip. There is no ultimate “Mother” authority to keep us all in line with the threat of turning around, however. For these collaborative efforts to be successful, no constituency or person gets to be “in charge” all the time. It doesn’t matter how many millions of dollars in grant money one has, or how many thousands of members in one’s organization; everyone’s expertise needs to be used and respected. It won’t be easy and it won’t feel natural, but we all must make a conscious effort to work together.

How will this happen? We could start with meetings on neutral ground (physical or virtual) designed for the express purpose of ironing out differences between the camps. (Perhaps a Festivus airing of grievances?) Ideally, though, I’d love for it to happen more organically. More multi-disciplinary organizations, conferences, and publishing platforms (like Vox PopuLII) need to be created so that we can learn from each other. Until such time that these exist, more trips into the other camp need to be made – attend their conferences, publish in their discipline’s journals: anything that will start to put human faces on the monolithic titles such as “librarian” or “publisher” so that we can get past the distrust and the disputes and move on to the more important work.

The projects that we can (and should) be collaborating on are new and different and will completely change the way people access their law. As such, they will be met with resistance and suspicion and push-back from commercial vendors and government agents. Presenting a united front and creating a system that benefits from all of our areas of expertise from the beginning will go a long way towards legitimizing our cause. We have one chance to make a first impression, one opportunity to make free law an accepted resource in this generation. Don’t mess it up.

[Editor’s Note: For other ideas respecting collaboration between law librarians and members of the legal informatics community, please see our earlier post, A Law Librarian Looks at Legal Informatics Scholarship.]

Photo credits:
Loris: 1887 Engraving of Slow Loris
Librarian: Of unknown origin
Librarian in stacks: The Bookworm by Carl Spitzweg
Horror and Agony, from Darwin’s Expressions of the Emotions in Man and Animals
Wagon: Harris & Ewing, Wagon and US Capitol (altered by author)

Sarah Glassmeyer is the Faculty Services and Outreach Librarian at the Valparaiso University School of Law in Valparaiso, Indiana. When she’s not putting the fear of God and court clerks into first year law students, she writes about the intersection of legal information, libraries and the Internet at SarahGlasmeyer(dot)com.

VoxPopuLII is edited by Judith Pratt. Editor-in-chief is Robert Richards.

Posted by Glassmeyer Sarah at 6:52 pm Tagged with: ,

Legislation.gov.uk

free access to law, Legal descriptive metadata, Legal identifiers, Legal knowledge representation, Legal metadata, Legal XML, Legislative information systems, Public access to legal information, Semantic Web and law 19 Responses »
Aug 152010

siteTitle2Legislation.gov.ukThe launch of legislation.gov.uk by The [UK] National Archives marks a step change in public access to a primary source of legal information for citizens in the UK. Legislation.gov.uk is extensive, covering the four jurisdictions that make up the United Kingdom (England, Scotland, Wales and Northern Ireland) and over 800 years of history.

John Sheridan, Head of e-Services and Strategy at The National Archives, writes:

First, some background

Legislation-home

 

We had two objectives with legislation.gov.uk: to deliver a high quality public service for people who need to consult, cite, and use legislation on the Web; and to expose the UK’s Statute Book as data, for people to take, use, and re-use for whatever purpose or application they wish. In particular, our aim was to show how the statute book can contribute to the growing Web of data as well as to the Web of documents.

Legislation.gov.uk replaces two predecessor services the UK government set up to provide access to legislation. The first was created by Her Majesty’s Stationery Office (HMSO), later to become the Office of Public Sector Information (OPSI), which is responsible for the official publication of legislation, and the London, Belfast and Edinburgh Gazettes. The functions of HMSO have been operating from The National Archives since 2006, including the provision of public access to legislation online. HMSO started publishing new legislation on the Web in 1996. Where HMSO and later OPSI provided access to legislation as it was enacted or made, a second service was developed, to provide access to the UK Statute Law Database. This contains revised versions of primary legislation, showing how they have changed over time.

browse-legislation
Browsing the many different types of legislation in the UK

As in the United States, most lawyers in the UK rely on pay-for commercial legal research services. The people using the government’s online legislation service are generally not lawyers, but are drawn from a much wider group of people who need to know, cite, or use legislation as part of their job. These can range from police officers, to head teachers, to citizens defending their rights. Our users are people who need to know what a statute says, and who go looking for it using Google. They then quickly find their way to legislation.gov.uk.

What do people think they are seeing?

Before starting work on legislation.gov.uk, we did some research into the users of both the OPSI service and the UK Statute Law Database service. This research showed that they were very well used (over 1.5 million unique visitors per month to www.opsi.gov.uk), but that most of the people accessing legislation on the Web were not clear about the status of the material they were looking at. Our research showed that many people using legislation online assume that what they are looking at is both current and in force, simply because it is on the Web and available from an official source. Often users were accessing the original or as-enacted version of a statute, not knowing that they should be looking at the revised version, or that a revised version even existed.

Intuitive presentation

Our job is to present legislative material in such a way that the context and status of the information are clear. Legislation is complicated to understand; for example, an Act may have multiple sections, each with a different commencement date, or the Act may have prospective provisions. With legislation.gov.uk we have tried to develop a user interface that makes the status of each Act clear, so people know whether the statute they are viewing is current and in force. The usability challenge is to alignversion-toggle what people think they are seeing with what they are actually looking at. We have done this by presenting both an original (see, e.g., here) and a latest-available version (see, e.g., here) of each Act, and a toggle between the two.

For more advanced users there is a timeline (see, e.g., here) which can be turned on to see how the legislation has changed and to navigate through an Act at particular points in time, including future or prospective versions.

timeline
Point in time navigation and the timeline

Open data

On the surface, legislation.gov.uk is an attractive Website, providing simple and direct access to legislation; at legislation.gov.uk people can view whole Acts, or a particular section, in either HTML (see, e.g., here) or in a print version in PDF (see, e.g., here). To achieve this, under the hood two very different sources of data have been combined. The data model for the original (or as-enacted) versions of legislation is largely driven by the typographic layout of legislative documents. For revised legislation, the data model is largely driven by version control, the management of multiple versions of different segments of a statute at different points in time. Reconciling these two different data models was a prerequisite step to developing our system.

auto-gen-pdfAn ‘on the fly’ created PDF

We aimed to make legislation.gov.uk a source of open data from the outset.  The importance of open legal data is made powerfully by people like Carl Malamud and the Law.Gov campaign. Our desire to make the statute book available as open data motivated a number of technology choices we made. For example, the legislation.gov.uk Website is built on top of an open Application Programming Interface (API). The same API is available for others to use to access the raw data.

Using the API

The simplest way to get hold of the underlying data on legislation.gov.uk is to go to a piece of legislation on the Website, either a whole item, or a part or section, and just append /data.xml or /data.rdf to the URL. So, the data for, say, Section 1 of the Communications Act 2003, which is at http://www.legislation.gov.uk/ukpga/2003/21/section/1, is available at http://www.legislation.gov.uk/ukpga/2003/21/section/1/data.xml. We have taken a similar approach with lists, both in browse and search results. When looking at any list of legislation on legislation.gov.uk, it is easy to view the data. Simply append /data.feed to return that list in ATOM. (See, e.g., here.)

Open standards have played an important role throughout the development of legislation.gov.uk. All the data is held in XML, using a native XML database. The application logic is similarly constructed using open standards, in XSLTs and XQueries. Data and application portability were key objectives. We made considerable use of open source software like Orbeon Forms, Squid, and Apache.

The XML conforms to the Crown Legislation Markup Language (CLML) and associated schema. More general interchange formats for legislation such as CEN MetaLex lack the expressive power we need for UK legislation, but could relatively easily be wrapped around the XML we are making available. We have sought to surface richer metadata about legislation using RDF, but we would welcome feedback from users of the XML data about whether a MetaLex wrapper would be useful. (Note: We have used the MetaLex vocabulary in our RDF along with FRBR, as discussed below.) Similarly, it should be relatively easy to add a wrapper for the OAI-PMH protocol on top of the API we have built. We are not yet clear who would make use of such a service, if we built one, or whether we should leave the creation of an OAI-PMH interface to others. It is another open issue where we would welcome some feedback.

Persistent URIs

A major influence on legislation.gov.uk was a blog posting by Rick Jelliffe for O’Reilly’s XML.com. Jelliffe writes about something he calls PRESTO. He describes this as a system for legislation and public information in which “all documents, views and metadata at all significant levels of granularity and composition should be available in the best formats practical from their own permanent hierarchical URIs.”

Persistent URIs to pieces of legislation are very important, as they are to sources of law more generally. Initiatives like LegisLink, which Joe Carmel has written about here, attempt to retrofit a reliable naming scheme for legislation onto existing document-based systems. The URN:LEX namespace aims to facilitate the process of creating URIs for legal sources independent of a document’s online availability, location, and access mode.

We wanted to create high quality, persistent URIs for UK legislation from the outset. There are a number of different ways one might assign an unequivocal identifier to a legislative document. We have decided to use HTTP URIs and see no particular advantage in using URNs over HTTP URIs and indeed some disadvantages with URNs. Most importantly, HTTP URIs are actionable names. The advantage is that there is a built-in, ready-made, widely deployed and cost-effective resolution mechanism for resolving the identifier to a document, and a document to a representation. Having said that, we would consider supporting URN:LEX URNs in addition to our own URI Set, and would greatly welcome feedback from the community on this issue -– so please do comment if you have a view.

So, it follows, there are three types of URI for legislation on legislation.gov.uk, namely, identifier URIs, document URIs and representation URIs. Identifier URIs are for the ‘concept’ of a piece of legislation, how it was, how it is, and how it will be. (See, e.g., here.) Our use of these follow the Linked Data principles — the identifier URI is for a so-called non-information resource, something which can’t be conveyed in an electronic message. In other words, the URI is for the notion of a piece of legislation, rather than a particular rendition of it in a document. These URIs have been designed following the guidelines the UK Government has created for URI Sets, which our work helped to shape.

With legislation.gov.uk we support content negotiation, and follow the HTTP-Range 14 resolution approach, of responding to a request for the ‘non-information resource’ URI with a 303 response which redirects to a document URI.

Our document URIs refer to particular documents on the Web, for example the current, in-force version of a particular section of an Act. (See, e.g., here.) Crucially there are also point-in-time URIs for documents, which shows how that Act stood on a particular date (/yyyy-mm-dd) (see, e.g., here), or how it was when originally made (/enacted) (see, e.g., here). For any document we can return different representations or formats: a Web page on legislation.gov.uk, the underlying XML, a PDF, an HTML snippet, or even some RDF metadata. We recommend that people cite UK legislation in HTML by pointing to the identifier URI and by using the rel=”cite” attribute in the anchor tag.

Of course, we quickly discovered, it is one thing to suggest a design approach like PRESTO, and quite another to actually implement it. Jeni Tennison, who, working as a consultant to The Stationery Office, devised the URI Set for legislation (and much else about the legislation.gov.uk system), has blogged about the limitations of PRESTO and XPath-based URLs. I hope Jeni will find the time to blog some more about legislation.gov.uk, as there are many stories to be told.

One of the earliest pieces of design work we did for legislation.gov.uk was the URI Set. We wanted to follow PRESTO principles, but also account for changes over time, and for some of the peculiarities of UK legislation, in particular different geographic extents. (See, e.g., here.) PRESTO thinking is very evident on legislation.gov.uk; just look at the URLs as you move through the site.

Linked Data

Linked DataWe were also keen that the UK’s Statute Book make a contribution to the growing Web of Linked Data. The UK government is working hard to publish government data using Linked Data standards as part of work on data.gov.uk. The idea of the Web of Linked Data is to connect related information across the Web based on its meaning. In practice this means creating names for things (by ‘thing’ I mean anything: people, places, ideas) using HTTP, and when someone requests some information about that thing, returning data about it, ideally using RDF.

Legislation can make an important contribution to the Web of Linked Data. First, many important concepts and ideas are formally defined by statute. For example, there are 27 types of school in the UK and each one has a statutory definition. (See, e.g., here and here.) What it means to be a private limited company is again defined by statute, as are the UK’s eight data protection principles. One of our objectives with legislation.gov.uk is to enable people creating vocabularies and ontologies to exploit these definitions. This can be done, for example, by using the skos:definition property, to link terms in a vocabulary to the statute. The idea is to ease the process of rooting the Semantic Web in legally defined concepts. Part of the value of this linking is that it enables automatic checking to determine whether a part of the statute book has been repealed, in which case the related concept no longer exists. Crucially, legislation.gov.uk gives accurate information about when a section is repealed, by what piece of legislation, and when that repeal comes into force.

At the moment, the RDF from legislation.gov.uk is limited to largely bibliographic information. We have made use of the Functional Requirements for Bibliographic Records (FRBR) and the MetaLex vocabularies, primarily to relate the different types of resource we are making available. FRBR has the notion of a work, expressions of that work, manifestations of those expressions, and items. Similarly, MetaLex has the concepts of a BibliographicWork and BibliographicExpression. In the context of legislation.gov.uk, the identifier URIs relate to the work. Different versions of the legislation (current, original, different points in time, or prospective) relate to different expressions. The different formats (HTML, HTML Snippets, XML, and PDF) relate to the different manifestations. We have also made extensive use of Dublin Core Terms, for example to reflect that different versions apply to geographic extents. This is important as, for example, the same section of a statute may have been amended in one way as it applies in Scotland and in another way for England and Wales. We think FRBR, MetaLex, and Dublin Core Terms have all worked well, individually and in combination, for relating the different types of resource that we are making available.

One challenge we have is with changes to legislation that have yet to be applied to the data by the editorial team. Since we know what these effects are, we have also tried to represent this in RDF. We have used the MetaLex vocabulary to do this, but the result is complicated to interpret, and thus we suspect difficult for users of the data. MetaLex does not aid the elegant expression of amendment information (such as: statute A is changed by statute B, but only when commencement order C brings that change into force). We will be developing our own light-weight ontology for expressing some of these relationships, with the primary focus on ease of querying our data, rather than creating an ontology with the expressive power to be a cross-jurisdictional model.

It should then be possible to align this ontology with others post hoc. Our current use of RDF — and the potential to do more — is another issue where we would welcome feedback from the community.

Early adopters

People have already started to make use of the legislation.gov.uk URIs to support their Linked Data. One example is a project by ESD Toolkit. They have a created a SKOS vocabulary for all the different types of service that Local Authorities need to provide. They have linked this vocabulary to the powers and duties placed on Local Authorities in the legislation, using legislation.gov.uk identifier URIs. They have also used the API to pull back some of the text of the relevant statutes.

The future

We think there is huge potential over the next few years in the development of “accountable systems”. These are systems that are explicitly aware of statutory and other legal requirements and are able to process information explicitly in a way that complies with the (ever-changing) law. Here the legislation URIs can help enormously, either for people seeking to develop such accountable systems or any time someone wants to integrate an external system with the official source for statutory information. If the API is used in this way, we will need to consider carefully whether, and if so, how, the data is authenticated. We are not currently supplying digitally signed versions of UK legislation (unlike the GPO in the US) but we will be supporting the use of HTTPS, to provide a reasonable level of secure access to the data. However, if the data starts to be increasingly used in a new generation of accountable systems, we may need to address authenticity, with a view to increasing the guarantees we can make over the data.

There is much more we can do with legislation as data. Parts of the statute book are surprisingly well structured. For example, every year there is one or more Appropriation Acts. These typically contain a schedule with a table listing each government department, the amount allocated to it by Parliament for the year, and what that departments’ objectives are (see, e.g., here). It wouldn’t take much to create an XSLT just for these tables in the Appropriation Acts, from the XML provided from the API, to extract this data from all the Appropriation Acts, and publish that as Linked Data. There are many other examples of almost-structured data in legislation, waiting to be freed by developers, now that they have easy access to the underlying source.

We see this as a start. There is still much to do if we are to realise the potential of the statute book as public source of data. We are aiming to improve the modelling and the quantity of RDF data we make available about legislation, but it’s what others will do with the data that is really interesting. Now the UK has opened its statute book as Linked Data, we are keen to share our work with other governments, and to engage with academics in the legal informatics community and others with an interest in exploiting this rich source of information.

john-sheridanJohn Sheridan is Head of e-Services and Strategy at The [UK] National Archives, where he leads the team responsible for legislation.gov.uk. He is a specialist in official publishing on the Web, and in using Linked Data standards for government information. He also co-chairs the W3C eGovernment Interest Group.

VoxPopuLII is edited by Judith Pratt. Editor in chief is Robert Richards.

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