Provenance-based dictionary refinement in information extraction.

Sudeepa Roy Laura Chiticariu Vitaly Feldman Frederick Reiss Huaiyu Zhu

Published in: SIGMOD Conference (2013)

Keyphrases

information extraction
extraction patterns
precision and recall
natural language processing
named entity recognition
text mining
structured data
machine learning
sparse representation

free text
conditional random fields
semi structured
metadata
information retrieval
named entities
relation extraction
fine grained
refinement process

relational learning
ontology based information extraction
extracting meaningful
textual data
web mining
web documents
natural language text
open domain
machine translation

information extraction systems
question answering
semantic tagging
natural language
text summarization
word sense disambiguation
manually annotated
training corpus
using semantic web technologies