5290 search results - page 903 / 1058 » Information systems as social structures |
186
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ACL
1992
15 years 7 months ago
1992
For a very long time, it has been considered that the only way of automatically extracting similar groups of words from a text collection for which no semantic information exists ...
203
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...
204
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
176
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ASPLOS
2010
ACM
16 years 1 months ago
2010
ACM
We present a general scheme for virtualizing main memory errorcorrection mechanisms, which map redundant information needed to correct errors into the memory namespace itself. We ...
176
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FLAIRS
2007
15 years 8 months ago
2007
Episodic knowledge is often stored in the form of textual narratives written in natural language. However, a large repository of such narratives will contain both repetitive and n...