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» An extensive math query language
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DCOSS
2008
Springer
15 years 5 months ago
Multi-root, Multi-Query Processing in Sensor Networks
Sensor networks can be viewed as large distributed databases, and SQL-like high-level declarative languages can be used for data and information retrieval. Energy constraints make ...
Zhiguo Zhang, Ajay D. Kshemkalyani, Sol M. Shatz
ICCSA
2009
Springer
15 years 10 months ago
Designing Data Warehouses for Geographic OLAP Querying by Using MDA
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
Octavio Glorio, Juan Trujillo
DEXAW
2000
IEEE
92views Database» more  DEXAW 2000»
15 years 8 months ago
Consistent Queries over Cardinal Directions across Different Levels of Detail
Current models for cardinal directions, such as north and northeast, are either point-based or region-based, but no models exist that apply equally, independent of the geometric d...
Roop K. Goyal, Max J. Egenhofer
ASC
2006
15 years 5 months ago
A WAM implementation for flexible query answering
In [7] Maria I. Sessa extended the SLD resolution principle with the ability of performing approximate reasoning and flexible query answering. The operational mechanism of similar...
Pascual Julián Iranzo, Clemente Rubio-Manza...
180
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SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
14 years 6 months ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...