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Keeping keywords fresh: a BM25 variation for personalized keyword extraction.
Margarita Karkali
Vassilis Plachouras
Constantinos Stefanatos
Michalis Vazirgiannis
Published in:
TempWeb (2012)
Keyphrases
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keyword extraction
keywords
text retrieval
document retrieval
retrieval model
word co occurrence
text summarization
lexical chains
e learning
semantic information
ranking functions
information retrieval
web documents
text categorization
term frequency
query expansion
search engine
multimedia
artificial intelligence