Keyphrases
- search engine
- information retrieval
- web information
- domain ontology
- semantic web
- semantic similarity
- semantic information
- web search
- domain specific
- web search engines
- natural language
- semantic level
- web pages
- machine learning
- semantic representation
- semantic knowledge
- conceptual graphs
- semantic features
- semantic analysis
- information discovery
- search result
- context dependent
- search queries
- keyword search
- semantic network
- query logs
- low level features
- high level
- web documents