8349 search results - page 121 / 1670 » Introduction to Information Retrieval |
136
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INFOCOM
2006
IEEE
15 years 10 months ago
2006
IEEE
— For a wide variety of sensor network environments, location information is unavailable or expensive to obtain. We propose a location-free, lightweight, distributed, and data-ce...
117
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ICADL
2005
Springer
15 years 9 months ago
2005
Springer
Metadata IR model has high precision and low recall because the query in Metadata IR model is strict that is, the query can express user information need exactly, while Full-text I...
117
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SIGIR
2004
ACM
15 years 9 months ago
2004
ACM
Most previous work on the recently developed languagemodeling approach to information retrieval focuses on document-specific characteristics, and therefore does not take into acc...
145
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DBISP2P
2004
Springer
15 years 9 months ago
2004
Springer
We present the InfoBeacons system, in which a peer-to-peer network of beacons cooperates to route queries to the best information sources. The routing in our system uses techniques...
120
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SIGIR
2010
ACM
15 years 8 months ago
2010
ACM
In this paper we analyze queries and sessions intended to satisfy children’s information needs using a large-scale query log. The aim of this analysis is twofold: i) To identify...