856 search results - page 102 / 172 » Location-based Spatial Queries |
118
Voted
SIGMOD
2011
ACM
14 years 3 months ago
2011
ACM
Aggregate similarity search, a.k.a. aggregate nearest neighbor (Ann) query, finds many useful applications in spatial and multimedia databases. Given a group Q of M query objects...
123
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ICCV
2007
IEEE
15 years 7 months ago
2007
IEEE
Given a query image of an object, our objective is to retrieve all instances of that object in a large (1M+) image database. We adopt the bag-of-visual-words architecture which ha...
212
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Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
188
Voted
SIGMOD
2008
ACM
16 years 28 days ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
99
Voted
SAC
2008
ACM
15 years 8 days 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...