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Searching The United States Code with Solr/Lucene - By Ronald Matamoros

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See conference video - http://www.lucidimagination.com/devzone/events/conferences/revolution/2011

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Searching The United States Code with Solr/Lucene Paul Nelson / Ronald Matamoros, Search Technologies pnelson@searchtechnologies.com, 5/25/2011 [email_address]
Searching the United States Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Search Technologies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A Quick Civics Lesson… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Major Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
screenshot
screenshot
screenshot
Part The First: Document Processing
Document Processing / Indexing USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs
Field Type 1: Extracted to Index <!-- documentid:14_1 usckey:140000000000100000000000000000000 currentthrough:20080108 documentPDFPage:3 --> <!-- itempath:/140/PART I/CHAPTER 1/Sec. 1 --> <!-- itemsortkey:140AAAD --> <!-- expcite:TITLE 14-COAST GUARD!@!PART I-REGULAR COAST GUARD!@!CHAPTER 1-ESTABLISHMENT AND DUTIES!@!Sec. 1 --> <!-- field-start:head --><h3 class=&quot;section-head&quot;>&sect;1. Establishment of Coast Guard</h3> <!-- field-end:head --> <!-- field-start:statute --> <p class=&quot;statutory-body&quot;>The Coast Guard as established January 28, 1915, shall be a military … <!-- field-end:statute --> <!-- field-start:sourcecredit --> <p class=&quot;source-credit&quot;>(Aug. 4, 1949, ch. 393, 63 Stat. 496; Pub. L. 94&ndash;546, &sect;1(1),… <!-- field-end:sourcecredit --> <!-- field-start:notes --> <!-- field-start:historicalandrevision-note --> <h4 class=&quot;note-head&quot;>Historical and Revision Notes</h4> <p class=&quot;note-body&quot;>Based on title 14, U.S.C., 1946 ed., &sect;1 (Jan. 28, 1915, ch. 20, &sect;1… <!-- field-end:historicalandrevision-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:effectivedate-amendment-note --> <h4 class=&quot;note-head&quot;>Effective Date of 2002 Amendment</h4> <p class=&quot;note-body&quot;>Amendment by Pub. L. 107&ndash;296 effective on the date of transfer of … Page Numbers Title Heading Source Credit
Document Processing / Indexing Title 14 ch. 1 ch. 2 ch. 3 pt. A pt. B pt. C sec. 1 sec. 2 sec. 3 … … … USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs
Field Type 2: Embedded Refs <!-- documentid:14_1 usckey:140000000000100000000000000000000 currentthrough:20080108 documentPDFPage:3 --> <!-- itempath:/140/PART I/CHAPTER 1/Sec. 1 --> <!-- itemsortkey:140AAAD --> <!-- expcite:TITLE 14-COAST GUARD!@!PART I-REGULAR COAST GUARD!@!CHAPTER 1-ESTABLISHMENT AND DUTIES!@!Sec. 1 --> <!-- field-start:head --><h3 class=&quot;section-head&quot;>&sect;1. Establishment of Coast Guard</h3> <!-- field-end:head --> <!-- field-start:statute --> <p class=&quot;statutory-body&quot;>The Coast Guard as established January 28, 1915, shall be a military … <!-- field-end:statute --> <!-- field-start:sourcecredit --> <p class=&quot;source-credit&quot;>(Aug. 4, 1949, ch. 393, 63 Stat. 496; Pub. L. 94&ndash;546, &sect;1(1),… <!-- field-end:sourcecredit --> <!-- field-start:notes --> <!-- field-start:historicalandrevision-note --> <h4 class=&quot;note-head&quot;>Historical and Revision Notes</h4> <p class=&quot;note-body&quot;>Based on title 14, U.S.C., 1946 ed., &sect;1 (Jan. 28, 1915, ch. 20, &sect;1… <!-- field-end:historicalandrevision-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:effectivedate-amendment-note --> <h4 class=&quot;note-head&quot;>Effective Date of 2002 Amendment</h4> <p class=&quot;note-body&quot;>Amendment by Pub. L. 107&ndash;296 effective on the date of transfer of … Public Law Other USC Refs Statute at Large Public Law Public Law
Document Processing / Indexing USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs
Document Processing / Indexing USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs ,[object Object],[object Object],[object Object],[object Object],[object Object]
Part The Second: Token Processing
Token Processing 1 ,[object Object],<!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;> Amendments </h4> <p class=&quot;note-body&quot;> 2002 Pub L 107 296 Substituted Department of <!-- field-end:amendment-note -->
Field Type 3: Marked Within Doc <!-- documentid:14_1 usckey:140000000000100000000000000000000 currentthrough:20080108 documentPDFPage:3 --> <!-- itempath:/140/PART I/CHAPTER 1/Sec. 1 --> <!-- itemsortkey:140AAAD --> <!-- expcite:TITLE 14-COAST GUARD!@!PART I-REGULAR COAST GUARD!@!CHAPTER 1-ESTABLISHMENT AND DUTIES!@!Sec. 1 --> <!-- field-start:head --><h3 class=&quot;section-head&quot;>&sect;1. Establishment of Coast Guard</h3> <!-- field-end:head --> <!-- field-start:statute --> <p class=&quot;statutory-body&quot;>The Coast Guard as established January 28, 1915, shall be a military … <!-- field-end:statute --> <!-- field-start:sourcecredit --> <p class=&quot;source-credit&quot;>(Aug. 4, 1949, ch. 393, 63 Stat. 496; Pub. L. 94&ndash;546, &sect;1(1),… <!-- field-end:sourcecredit --> <!-- field-start:notes --> <!-- field-start:historicalandrevision-note --> <h4 class=&quot;note-head&quot;>Historical and Revision Notes</h4> <p class=&quot;note-body&quot;>Based on title 14, U.S.C., 1946 ed., &sect;1 (Jan. 28, 1915, ch. 20, &sect;1… <!-- field-end:historicalandrevision-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:effectivedate-amendment-note --> <h4 class=&quot;note-head&quot;>Effective Date of 2002 Amendment</h4> <p class=&quot;note-body&quot;>Amendment by Pub. L. 107&ndash;296 effective on the date of transfer of …
Token Processing 2 ,[object Object],S/amendment <h4 class=&quot;note-head&quot;> Amendments </h4> <p class=&quot;note-body&quot;> 2002 Pub L 107 296 Substituted Department of E/amendment <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;> Amendments </h4> <p class=&quot;note-body&quot;> 2002 Pub L 107 296 Substituted Department of <!-- field-end:amendment-note -->
Token Processing 3 ,[object Object],S/amendment Amendments 2002 Pub L 107 296 Substituted Department of E/amendment S/amendment <h4 class=&quot;note-head&quot;> Amendments </h4> <p class=&quot;note-body&quot;> 2002 Pub L 107 296 Substituted Department of E/amendment
Token Processing 4 ,[object Object],S/amendment O/Amendments L/amendments O/2002 L/2002 O/Pub L/pub O/L L/l O/107 L/107 O/296 L/296 O/Substituted L/substituted O/Department L/department O/of L/of E/amendment S/amendment Amendments 2002 Pub L 107 296 Substituted Department of E/amendment
Token Processing 5 ,[object Object],[object Object],S/amendment O/Amendments L/amendments amendment O/2002 L/2002 2002 O/Pub L/Pub pub O/L L/l; l O/107 L/107 107 O/296 L/296 296 O/Substituted L/Substituted substitute O/Department L/Department department O/of L/of of E/amendment S/amendment O/Amendments L/amendments O/2002 L/2002 O/Pub L/pub O/L L/l O/107 L/107 O/296 L/296 O/Substituted L/substituted O/Department L/department O/of L/of E/amendment
Part The Third: Query Processing
Query Processing parse mark phrases lemmatize query template build lucene query mark exact: Query String search ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],(not all stages shown)
Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and exact: |FOIA| phrase |top| |secret| amendment: |RECORDS| exact:FOIA “top secret” amendment:RECORDS
Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |top| |secret| amendment: exact:FOIA “top secret” amendment:RECORDS |RECORDS|
Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |L/top| |L/secret| amendment: exact:FOIA “top secret” amendment:RECORDS |records|
Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |L/top| |L/secret| amendment: exact:FOIA “top secret” amendment:RECORDS |record|
Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |L/top| |L/secret| between exact:FOIA “top secret” amendment:RECORDS E/amendment S/amendment |record|
The between() Operator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Part the Fourth: Hierarchical Navigation
screenshot
Hierarchies: Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hierarchies: Ancestor-Siblings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hierarchies: Fields ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hierarchies: Tree Sort ,[object Object],[object Object],[object Object],01/011/1/02032 01 = USC Title 011 = Title 11 1 = An Appendix Sequence # in file
Hierarchies: Sample Searches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Contact ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Searching The United States Code with Solr/Lucene - By Ronald Matamoros

  • 1. Searching The United States Code with Solr/Lucene Paul Nelson / Ronald Matamoros, Search Technologies pnelson@searchtechnologies.com, 5/25/2011 [email_address]
  • 2.
  • 3.
  • 4.
  • 5.
  • 9.
  • 10. Part The First: Document Processing
  • 11. Document Processing / Indexing USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs
  • 12. Field Type 1: Extracted to Index <!-- documentid:14_1 usckey:140000000000100000000000000000000 currentthrough:20080108 documentPDFPage:3 --> <!-- itempath:/140/PART I/CHAPTER 1/Sec. 1 --> <!-- itemsortkey:140AAAD --> <!-- expcite:TITLE 14-COAST GUARD!@!PART I-REGULAR COAST GUARD!@!CHAPTER 1-ESTABLISHMENT AND DUTIES!@!Sec. 1 --> <!-- field-start:head --><h3 class=&quot;section-head&quot;>&sect;1. Establishment of Coast Guard</h3> <!-- field-end:head --> <!-- field-start:statute --> <p class=&quot;statutory-body&quot;>The Coast Guard as established January 28, 1915, shall be a military … <!-- field-end:statute --> <!-- field-start:sourcecredit --> <p class=&quot;source-credit&quot;>(Aug. 4, 1949, ch. 393, 63 Stat. 496; Pub. L. 94&ndash;546, &sect;1(1),… <!-- field-end:sourcecredit --> <!-- field-start:notes --> <!-- field-start:historicalandrevision-note --> <h4 class=&quot;note-head&quot;>Historical and Revision Notes</h4> <p class=&quot;note-body&quot;>Based on title 14, U.S.C., 1946 ed., &sect;1 (Jan. 28, 1915, ch. 20, &sect;1… <!-- field-end:historicalandrevision-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:effectivedate-amendment-note --> <h4 class=&quot;note-head&quot;>Effective Date of 2002 Amendment</h4> <p class=&quot;note-body&quot;>Amendment by Pub. L. 107&ndash;296 effective on the date of transfer of … Page Numbers Title Heading Source Credit
  • 13. Document Processing / Indexing Title 14 ch. 1 ch. 2 ch. 3 pt. A pt. B pt. C sec. 1 sec. 2 sec. 3 … … … USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs
  • 14. Field Type 2: Embedded Refs <!-- documentid:14_1 usckey:140000000000100000000000000000000 currentthrough:20080108 documentPDFPage:3 --> <!-- itempath:/140/PART I/CHAPTER 1/Sec. 1 --> <!-- itemsortkey:140AAAD --> <!-- expcite:TITLE 14-COAST GUARD!@!PART I-REGULAR COAST GUARD!@!CHAPTER 1-ESTABLISHMENT AND DUTIES!@!Sec. 1 --> <!-- field-start:head --><h3 class=&quot;section-head&quot;>&sect;1. Establishment of Coast Guard</h3> <!-- field-end:head --> <!-- field-start:statute --> <p class=&quot;statutory-body&quot;>The Coast Guard as established January 28, 1915, shall be a military … <!-- field-end:statute --> <!-- field-start:sourcecredit --> <p class=&quot;source-credit&quot;>(Aug. 4, 1949, ch. 393, 63 Stat. 496; Pub. L. 94&ndash;546, &sect;1(1),… <!-- field-end:sourcecredit --> <!-- field-start:notes --> <!-- field-start:historicalandrevision-note --> <h4 class=&quot;note-head&quot;>Historical and Revision Notes</h4> <p class=&quot;note-body&quot;>Based on title 14, U.S.C., 1946 ed., &sect;1 (Jan. 28, 1915, ch. 20, &sect;1… <!-- field-end:historicalandrevision-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:effectivedate-amendment-note --> <h4 class=&quot;note-head&quot;>Effective Date of 2002 Amendment</h4> <p class=&quot;note-body&quot;>Amendment by Pub. L. 107&ndash;296 effective on the date of transfer of … Public Law Other USC Refs Statute at Large Public Law Public Law
  • 15. Document Processing / Indexing USC Title Parse & Granularize Repository Construct XHTML Store Xform & Index Solr Embed Refs
  • 16.
  • 17. Part The Second: Token Processing
  • 18.
  • 19. Field Type 3: Marked Within Doc <!-- documentid:14_1 usckey:140000000000100000000000000000000 currentthrough:20080108 documentPDFPage:3 --> <!-- itempath:/140/PART I/CHAPTER 1/Sec. 1 --> <!-- itemsortkey:140AAAD --> <!-- expcite:TITLE 14-COAST GUARD!@!PART I-REGULAR COAST GUARD!@!CHAPTER 1-ESTABLISHMENT AND DUTIES!@!Sec. 1 --> <!-- field-start:head --><h3 class=&quot;section-head&quot;>&sect;1. Establishment of Coast Guard</h3> <!-- field-end:head --> <!-- field-start:statute --> <p class=&quot;statutory-body&quot;>The Coast Guard as established January 28, 1915, shall be a military … <!-- field-end:statute --> <!-- field-start:sourcecredit --> <p class=&quot;source-credit&quot;>(Aug. 4, 1949, ch. 393, 63 Stat. 496; Pub. L. 94&ndash;546, &sect;1(1),… <!-- field-end:sourcecredit --> <!-- field-start:notes --> <!-- field-start:historicalandrevision-note --> <h4 class=&quot;note-head&quot;>Historical and Revision Notes</h4> <p class=&quot;note-body&quot;>Based on title 14, U.S.C., 1946 ed., &sect;1 (Jan. 28, 1915, ch. 20, &sect;1… <!-- field-end:historicalandrevision-note --> <!-- field-start:amendment-note --> <h4 class=&quot;note-head&quot;>Amendments</h4> <p class=&quot;note-body&quot;>2002&mdash;Pub. L. 107&ndash;296 substituted &ldquo;Department of … <!-- field-end:amendment-note --> <!-- field-start:effectivedate-amendment-note --> <h4 class=&quot;note-head&quot;>Effective Date of 2002 Amendment</h4> <p class=&quot;note-body&quot;>Amendment by Pub. L. 107&ndash;296 effective on the date of transfer of …
  • 20.
  • 21.
  • 22.
  • 23.
  • 24. Part The Third: Query Processing
  • 25.
  • 26. Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and exact: |FOIA| phrase |top| |secret| amendment: |RECORDS| exact:FOIA “top secret” amendment:RECORDS
  • 27. Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |top| |secret| amendment: exact:FOIA “top secret” amendment:RECORDS |RECORDS|
  • 28. Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |L/top| |L/secret| amendment: exact:FOIA “top secret” amendment:RECORDS |records|
  • 29. Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |L/top| |L/secret| amendment: exact:FOIA “top secret” amendment:RECORDS |record|
  • 30. Query Processing parse mark lowercase lemmatize query template build lucene query mark original Query String search and O/FOIA phrase |L/top| |L/secret| between exact:FOIA “top secret” amendment:RECORDS E/amendment S/amendment |record|
  • 31.
  • 32. Part the Fourth: Hierarchical Navigation
  • 34.
  • 35.
  • 36.
  • 37.
  • 38.
  • 39.