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» Spatial Data Mining Implementation: Alternatives and Perform...
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DOLAP
2003
ACM
15 years 2 months ago
Achieving adaptivity for OLAP-XML federations
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
Dennis Pedersen, Torben Bach Pedersen
SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
15 years 9 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
SIGMOD
2006
ACM
149views Database» more  SIGMOD 2006»
15 years 9 months ago
Efficient query processing on unstructured tetrahedral meshes
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
Stratos Papadomanolakis, Anastassia Ailamaki, Juli...
SIGMOD
2007
ACM
186views Database» more  SIGMOD 2007»
15 years 9 months ago
An efficient and accurate method for evaluating time series similarity
A variety of techniques currently exist for measuring the similarity between time series datasets. Of these techniques, the methods whose matching criteria is bounded by a specifi...
Michael D. Morse, Jignesh M. Patel
165
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Publication
502views
16 years 9 months ago
Spatio-Temporal Histograms
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...
Hicham G. Elmongui, Mohamed F. Mokbel, Walid G. Ar...