8298 search results - page 236 / 1660 » Geografisches Information Retrieval |
171
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
250
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TOG
2012
13 years 9 months ago
2012
We develop a system for 3D object retrieval based on sketched feature lines as input. For objective evaluation, we collect a large number of query sketches from human users that a...
127
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ECIR
2006
Springer
15 years 8 months ago
2006
Springer
We present a prototype system using array comprehensions to bridge the gap between databases and information retrieval. It allows researchers to express their retrieval models in t...
170
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MMM
2010
Springer
16 years 3 months ago
2010
Springer
In this paper, we propose a new image-based algorithm to identify where a tourist is when visiting unfamiliar places. When the tourist takes a photo of an unfamiliar place, our alg...
174
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ICDIM
2007
IEEE
16 years 1 months ago
2007
IEEE
: Some measures such as average precision over all relevant documents and recall level precision are considered as good system-oriented measures, because they concern both precisio...