Sciweavers

6905 search results - page 295 / 1381
» Querying Multidimensional Databases
Sort
View
DEXAW
2004
IEEE
181views Database» more  DEXAW 2004»
15 years 10 months ago
Algebraic Optimization of Data Delivery Patterns in Mobile Sensor Networks
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
Vladimir Zadorozhny, Panos K. Chrysanthis, Alexand...
SIGMOD
2009
ACM
180views Database» more  SIGMOD 2009»
16 years 6 months ago
Indexing correlated probabilistic databases
With large amounts of correlated probabilistic data being generated in a wide range of application domains including sensor networks, information extraction, event detection etc.,...
Bhargav Kanagal, Amol Deshpande
IJCAI
2007
15 years 8 months ago
An Improved Probabilistic Ant based Clustering for Distributed Databases
In this paper we present an improved version of the Probabilistic Ant based Clustering Algorithm for Distributed Databases (PACE). The most important feature of this algorithm is ...
Chandrasekar Ramachandran, Thanukrishnan Srinivasa...
EDBT
2002
ACM
129views Database» more  EDBT 2002»
16 years 6 months ago
Schema-Driven Evaluation of Approximate Tree-Pattern Queries
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
Torsten Schlieder
CIKM
2009
Springer
16 years 1 months ago
Group-by skyline query processing in relational engines
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...
Ming-Hay Luk, Man Lung Yiu, Eric Lo