Keyphrases
- natural language processing
- xml retrieval
- data centric
- entity ranking
- natural language
- language processing
- information extraction
- machine translation
- xml information retrieval
- link the wiki track
- document retrieval
- question answering
- uc berkeley
- focused retrieval
- computational linguistics
- text processing
- information retrieval
- text mining
- free text
- textual entailment
- natural language learning
- text analysis
- named entity recognition
- document collections
- naacl hlt
- ranked retrieval
- tasks in natural language processing
- field of natural language processing
- database
- lexical semantics
- grammar induction
- ontology learning
- coreference resolution
- semantic analysis
- sentiment analysis
- named entities
- wordnet
- data sets