Extracting structured information from user queries with semi-supervised conditional random fields.
Xiao LiYe-Yi WangAlex AceroPublished in: SIGIR (2009)
Keyphrases
- conditional random fields
- user queries
- structured information
- semi supervised
- structured data
- pairwise
- generative model
- search engine
- named entity recognition
- information retrieval systems
- information extraction
- structured queries
- web search engines
- web pages
- query processing
- graphical models
- hidden markov models
- markov random field
- semi supervised learning
- keywords
- linked data
- probabilistic model
- retrieval model
- relevant documents
- higher order
- labeled data
- keyword queries
- unlabeled data
- web databases
- web search
- query terms
- complex queries
- active learning
- data sources
- retrieval effectiveness
- database systems
- similarity measure