Integrating Semantic Knowledge into Text Similarity and Information Retrieval.
Christof MüllerIryna GurevychMax MühlhäuserPublished in: ICSC (2007)
Keyphrases
- semantic knowledge
- information retrieval
- semantic information
- natural language text
- spreading activation
- text mining
- semantic similarity
- domain knowledge
- information extraction
- knowledge sources
- information retrieval systems
- similarity measure
- domain ontology
- computational linguistics
- search engine
- semantic constraints
- natural language
- query expansion
- wordnet
- language model
- automatic extraction
- semantic network
- lexical knowledge
- document retrieval
- expert systems
- text documents
- background knowledge
- question answering
- document collections
- semantic features
- relation extraction
- knowledge based systems
- knowledge acquisition
- artificial intelligence
- learning algorithm
- database