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DEXAW
2005
IEEE
121views Database» more  DEXAW 2005»
14 years 1 months ago
Resource Discovery in a Dynamic Grid Environment
Resource discovery in a Grid environment is a critical problem, as a typical Grid system includes a very large number of resources, which must be readily identified and accessed ...
Moreno Marzolla, Matteo Mordacchini, Salvatore Orl...
SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
14 years 8 months ago
Dictionary-based order-preserving string compression for main memory column stores
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
Carsten Binnig, Stefan Hildenbrand, Franz Fär...
ISMIS
1999
Springer
13 years 12 months ago
A Statistical Approach to Rule Selection in Semantic Query Optimisation
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
Barry G. T. Lowden, Jerome Robinson
SIGMOD
2002
ACM
169views Database» more  SIGMOD 2002»
14 years 7 months ago
Covering indexes for branching path queries
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
Raghav Kaushik, Philip Bohannon, Jeffrey F. Naught...
GIS
2007
ACM
13 years 11 months ago
Pipelined spatial join processing for quadtree-based indexes
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
Walid G. Aref