Sciweavers

552 search results - page 79 / 111
» Efficient Algorithms for Processing XPath Queries
Sort
View
SSD
2007
Springer
243views Database» more  SSD 2007»
15 years 5 months ago
Continuous Medoid Queries over Moving Objects
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
Stavros Papadopoulos, Dimitris Sacharidis, Kyriako...
EUROPAR
2008
Springer
15 years 1 months ago
A Search Engine Index for Multimedia Content
We present a distributed index data structure and algorithms devised to support parallel query processing of multimedia content in search engines. We present a comparative study wi...
Mauricio Marín, Veronica Gil Costa, Carolin...
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
15 years 12 months ago
Column-stores vs. row-stores: how different are they really?
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
Daniel J. Abadi, Samuel Madden, Nabil Hachem
UAI
2000
15 years 1 months ago
Probabilistic State-Dependent Grammars for Plan Recognition
Techniques for plan recognition under uncertainty require a stochastic model of the plangeneration process. We introduce probabilistic state-dependent grammars (PSDGs) to represen...
David V. Pynadath, Michael P. Wellman
SIGMOD
2006
ACM
102views Database» more  SIGMOD 2006»
15 years 12 months ago
DADA: a data cube for dominant relationship analysis
The concept of dominance has recently attracted much interest in the context of skyline computation. Given an Ndimensional data set S, a point p is said to dominate q if p is bett...
Cuiping Li, Beng Chin Ooi, Anthony K. H. Tung, Sha...