Model and ontology based conceptual searching in legislative XML collections

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Model and ontology based conceptual searching in
legislative XML collections

• ITTIG-CNR
• Florence Italy
• Carlo Biagioli, Fabrizio Turchi

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metaSearch meta data searching software

• extract knowledge from provisions metadata

• based on standard XML-DTD (NiR project)

• metadata describe the semantics of the norm

• XML legal documents collection

• allow to query the functional profile of texts

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metaSearch technologies

• xml technologies (sax, dom, xpath)

• relational database

• open source

• xml native search engine (Xindice/Apache)

ITTIG-CNR C.Biagioli F.Turchi
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metaSearchasynchronous phase details

• transfer metadata information into rdb

• the goal is to build a metadata provision index
  to speed up the information retrieval

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metaSearchmeta data extraction

• sample xml markup
• ltparagraph idart16-par3gt
• ...
• ltdsp penaltygt
• ltdsppos xlinkhrefart16-par3 ...gtlt/dspposgt
• ltdspactiongtnotificationlt/dspactiongt
• ltdspsubjectgteveryonelt/dspsubjectgt
• ltdspobjectgtparagraph_at_idart16-par2-let3lt/dsp
  objectgt
• lt/dsppenaltygt

Relational DB
ITTIG-CNR C.Biagioli F.Turchi
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metaSearchinteractive phase

• web interface (minimal requirements)

• modules
• webSearch (search form)
• webResults (browse list)
• webView (provision full text)

ITTIG-CNR C.Biagioli F.Turchi
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metaSearchqueries samples

• obligation and penalty connected by a common
  action argument

• obligation and claim connected by an addressee
  argument and a counterpart related argument

ITTIG-CNR C.Biagioli F.Turchi
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metaSearchrelationship between provisions

• related provisions
• derogating provisions
• implicit provisions

ITTIG-CNR C.Biagioli F.Turchi