Information Extraction from the Structured Part of Office Documents.

Xiaolong Hao Jason Tsong-Li Wang Peter A. Ng

Published in: Inf. Sci. (1996)

Keyphrases

information extraction
free text
structured data
text documents
unstructured text
web documents
information retrieval
unstructured documents
text mining
structured and unstructured data
text analysis
natural language text
textual data

structured information
natural language processing
question answering
information extraction systems
semi structured
precision and recall
xml documents
metadata
document retrieval
digital documents
information retrieval systems
machine learning
document collections

document clustering
named entities
relevant documents
structured queries
multimedia documents
retrieval systems
electronic documents
unstructured data
text processing
relation extraction
relational learning
conditional random fields
document representation

vector space model
document classification
named entity recognition
legal documents
office environment
semantic information
digital libraries
machine translation
web mining
textual information
natural language
query terms