Combining TF-IDF Text Retrieval with an Inverted Index over Symbol Pairs in Math Expressions: The Tangent Math Search Engine at NTCIR 2014.
Nidhin PattaniyilRichard ZanibbiPublished in: NTCIR (2014)
Keyphrases
- text retrieval
- tf idf
- retrieval model
- information retrieval
- inverted index
- test collection
- term weighting
- document retrieval
- inverted file
- search engine
- text retrieval systems
- retrieval systems
- term frequency
- document collections
- vector space model
- retrieval effectiveness
- language model
- user queries
- keyword search
- average precision
- document clustering
- information retrieval systems
- query expansion
- retrieval quality
- web search
- data structure
- relevance feedback
- relevant documents
- image retrieval
- text categorization
- xml retrieval
- query processing
- decision trees
- web search engines
- database