4051 search results - page 122 / 811 » Aggregation |
195
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
108
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SAC
2010
ACM
15 years 9 months ago
2010
ACM
We present an automated ontology matching methodology, supported by various machine learning techniques, as implemented in the system MoTo. The methodology is twotiered. On the ï¬...
ICDE
2009
IEEE
15 years 9 months ago
2009
IEEE
— Uncertain data are inherent in many applications such as environmental surveillance and quantitative economics research. Recently, considerable research efforts have been put i...
133
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DASFAA
1999
IEEE
15 years 7 months ago
1999
IEEE
In this paper, we will introduce a method of spatial presentation of georeferenced data in a three-dimensional space. Photographs, Quicktime VR's, videos, and computer graphi...
135
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APWEB
2004
Springer
15 years 6 months ago
2004
Springer
The Web is apparently an ideal source of answers to a large variety of questions, due to the tremendous amount of information available online. This paper describes a question answ...