4491 search results - page 611 / 899 » Adapting information retrieval systems to user queries |
211
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DOLAP
2003
ACM
15 years 12 months ago
2003
ACM
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
189
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SIGMOD
2010
ACM
15 years 1 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
185
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
MapReduce is a popular framework for data-intensive distributed computing of batch jobs. To simplify fault tolerance, the output of each MapReduce task and job is materialized to ...
173
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Information retrieval systems conventionally assess document relevance using the bag of words model. Consequently, relevance scores of documents retrieved for different queries a...
170
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Social bookmarking is the process through which users share tags for online resources like blogs with others. Such collaborative tags provide valuable metadata for retrieval syste...