2095 search results - page 91 / 419 » Modeling and Querying Semi-structured Data |
112
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PODS
1998
ACM
15 years 2 months ago
1998
ACM
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
SAC
2008
ACM
14 years 9 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
105
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CIKM
1993
Springer
15 years 2 months ago
1993
Springer
We present a new interface for Object-Oriented Database Management Systems (OODBMSs). The GOODIES1 system combines and expands the functions of many existing interface systems, in...
155
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GIS
2006
ACM
15 years 11 months ago
2006
ACM
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...