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Informatik 5
Information Systems
Prof. Dr. M. Jarke
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Prof. Dr. M. Jarke
RWTH Aachen
Informatik 5
Ahornstr. 55
D-52056 Aachen
Tel +49/241/8021501
Fax +49/241/8022321

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Schema Generation from Unstructured Data

Thesis type
  • Diplom
Student Katrin Landwehr
Status Finished
Submitted in 2010
Proposal on 01. Dec 2009 15:30
Proposal room Seminarraum I5
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Presentation on 10. Sep 2010 10:45
Presentation room Seminarraum I5
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This diploma thesis focusses on automatically generating a schema over a col- lection of unstructured documents. The latter should serve users to obtain an overview of information provided by the desired domain and permit them to pose structured queries by exploiting formerly inacessible semantics on the data.

Input to the generation process are triples conveying relationships between en- tities encountered in texts and unary predicates specifying type information on these entities. Additionally, some queries on the text set may already be known and serve in creating a schema. However, prior to generation no schema or par- tial schema is known, domains are completely unknown and the process itself should produce acceptable candidate schemata in the absence of any human supervision.

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