350 search results - page 48 / 70 » An optimization framework for map-reduce queries |
123
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GIS
1999
ACM
15 years 8 months ago
1999
ACM
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...
147
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KDD
2002
ACM
16 years 4 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...
142
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MOBIHOC
2006
ACM
16 years 3 months ago
2006
ACM
We use a constrained optimization framework to derive fundamental scaling laws for both unstructured sensor networks (which use blind sequential search for querying) and structure...
165
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P2P
2006
IEEE
15 years 10 months ago
2006
IEEE
Given some of the recent advances in Distributed Hash Table (DHT) based Peer-To-Peer (P2P) systems we ask the following questions: Are there applications where unstructured querie...
135
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SSDBM
2005
IEEE
15 years 9 months ago
2005
IEEE
Data products generated from remotely-sensed, geospatial imagery (RSI) used in emerging areas, such as global climatology, environmental monitoring, land use, and disaster managem...