Bruce, T. R., and Richards, R. C. (2011). Adapting Specialized Legal Metadata to the Digital Environment: The Code of Federal Regulations Parallel Table of Authorities and Rules. Paper presented at ICAIL 2011: The 13th International Conference on Artifici
In the domain of print-based U.S. legal information, specialized tools that create connections between different categories of
metadata increase legal research efficiency. Such tools, redesigned for the electronic sphere, could enhance digital legal information systems. This paper illustrates this kind of redesign, through a case study of one such tool—the Parallel Table of Authorities and Rules in the U.S. Code of Federal Regulations, which connects regulations to the statutes that authorize them.
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Bruce, T. R., and Richards, R. C. (2011). Adapting Specialized Legal Metadata to the Digital Environment: The Code of Federal Regulations Parallel Table of Authorities and Rules. Paper presented at ICAIL 2011: The 13th International Conference on Artifici
1. Adapting Specialized Legal Metadata to the Digital Environment: The CFR Parallel Table of Authorities & Rules Thomas R. Bruce, Legal Information Institute Robert C. Richards, Jr., University of Washington
2. Governments create multiple sources of law The sources are interrelated, but exist as isolated “islands” of legal knowledge & information How can one efficiently discover all sources of law related to a particular source of law? The Problem: “Islands”
3. Example: How to find all regulations issued pursuant to US Food, Drug, & Cosmetic Act, 21 U.S.C. ch.9? Two “Islands”: The statute is in the U.S. Code, while the regulations are in the Code of Federal Regulations The Problem: Example
4. In the print environment, specialized legal metadata sources were created, to make explicit relationships between different sources of law. We call these sources “ponts,” because they function as “bridges” between “islands” of legal information One Solution: “Ponts”
5. Parallel Table of Authorities & Rules (PTOA) Metadata in the Code of Federal Regulations (CFR) Links statutes to regulations they authorize Example of a Pont: The PTOA
6. 1 U.S.C. 112.......................................................1 Part 2 112a--112b.....................................22 Part 181 113....................................................1 Part 2 133..................................................32 Part 151 2 U.S.C. 136.................................................36 Parts 701, 702, 703, 705 170...................................................36 Part 705 PTOA: Excerpt
7. Most ponts created for print environment require human intervention to ensure connection between the different legal sources they seek to link PTOA in print requires human intervention PTOA in Print: Human-Dependent
8. Goals: Disintermediation: Make PTOA processable by software without human intervention Foster interoperability & re-use Foster innovation PTOA: Preparing It for Digital
9. Recommended formats: XML RDF/OWL Why XML & RDF/OWL? Open, international standards Widely used and understood Enable re-use and interoperability Foster innovation: developers are equipped to create new systems to process them PTOA: Preparing It for Digital (cont’d)
10. Information Retrieval & Discovery Bidirectional discovery Revelation of implicit relationships Automated retrieval Linked Data Scholarly Research Public Administration GIS eParticipation PTOA: Use Cases
12. 1. Relationships between sources are ambiguous Relationships represented in a PTOA row may be of four possible types: “Is Express Authority For” “Is Implied Authority For” “Is Applied By” “Is Interpreted By” PTOA Obstacles: Semantics
13. 2. Some PTOA rows list multiple sources on one or both sides: 1 U.S.C. 112.......................................................1 Part 2 112a--112b.....................................22 Part 181 113....................................................1 Part 2 133..................................................32 Part 151 2 U.S.C. 136.................................................36 Parts 701, 702, 703, 705 170...................................................36 Part 705 PTOA Obstacles: Semantics (cont’d)
14. Result: In many PTOA rows, relationships between sources are multiple and complex Result: In most rows, the precise meaning of relationships is implicit & often not discernible by software PTOA Obstacles: Semantics (cont’d)
15. In PTOA, retrieval and discovery can only occur in one direction: from statute to regulation 1 U.S.C. […] 112a--112b................................22 Part 181 PTOA Obstacles: Directionality
16. But in digital world, PTOA could add great value if it were bidirectional: if it enabled discovery from regulations to statutes, as well as from statutes to regulations PTOA Obstacles: Directionality
17. PTOA regulation cites refer only to the “Part” level of CFR But the relationships intended to be represented in PTOA usually occur at more granular levels: “section” or “sub-section” PTOA Obstacles: Granularity
18. “1 U.S.C. […] “112a--112b................................22 Part 181” 1 U.S.C. section 112b (subsection (f)) furnishes express authority for subdivisions of 22 C.F.R. part 181 (sections 181.1 through 181.7). 1 U.S.C. section 112a (subsection (d)) furnishes implicit authority for subdivisions of 22 C.F.R. part 181 (sections 181.8 and 181.9). PTOA Obstacles: Granularity: Example
19. So each PTOA row must be analyzed & divided into multiple rows at accurate level of granularity PTOA Obstacles: Granularity (cont’d)
20. Production of PTOA is decentralized: each individual agency creates rows for its regulations Result: Inconsistent quality of PTOA data Need: For Digital PTOA to express editor’s evaluation of data quality, in machine-processable metadata PTOA Obstacle: Data Quality
21. <?xml version="1.0" encoding="UTF-8"?> <ptoa> <ptoaentry> <!-- Example 1 --> <authority> <uscode> <title>1</title> <sectrange> <start>112a</start> <end>112b</end> </sectrange> </uscode> </authority> <authorized> <cfr> <title>22</title> <part>181</part> </cfr> </authorized> </ptoaentry> </ptoa> </?xml> Digital PTOA: XML Example: Barebones, No Remedies
25. Earlier studies of print-based ponts introduced into digital environment: Al-Kofahi et al. (2001); Dabney (1986) McDermott (1986) Findings: a. New uses of ponts arose in digital environment b. Ponts positively influenced retrieval performance Related Research
26. Legislation.gov.uk (Legislative Information Retrieval): Table of Legislative Effects, CEN MetaLex (legislative status) AGILE (Public Administration System): CEN MetaLex & OWL Similar Projects
27. Congressional Record: “History of Bills & Resolutions” CFR List of Subjects & Subject Index United States Code Subject Index Constitution of the United States Annotated (CONAN) Other Ponts to Examine
28. Spring 2011: Receive input from colleagues at conferences Summer & Fall 2011: Build prototype Digital PTOA: Next Steps
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34. Tom Bruce, Legal Information Institute, trb2 [at] cornell.edu Robert Richards, University of Washington, robertrichards03 [at] gmail.com Contacts