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GIS
2008
ACM
14 years 6 months ago
Should SDBMS support a join index?: a case study from CrimeStat
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
Pradeep Mohan, Ronald E. Wilson, Shashi Shekhar, B...
SIGMOD
2007
ACM
179views Database» more  SIGMOD 2007»
14 years 5 months ago
How to barter bits for chronons: compression and bandwidth trade offs for database scans
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
Allison L. Holloway, Vijayshankar Raman, Garret Sw...
SSDBM
2008
IEEE
131views Database» more  SSDBM 2008»
13 years 11 months ago
Linked Bernoulli Synopses: Sampling along Foreign Keys
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
Rainer Gemulla, Philipp Rösch, Wolfgang Lehne...
IDEAS
2003
IEEE
117views Database» more  IDEAS 2003»
13 years 10 months ago
A Multi-Resolution Block Storage Model for Database Design
We propose a new storage model called MBSM (Multiresolution Block Storage Model) for laying out tables on disks. MBSM is intended to speed up operations such as scans that are typ...
Jingren Zhou, Kenneth A. Ross
DAWAK
2001
Springer
13 years 9 months ago
Matchmaking for Structured Objects
A fundamental task in multi-agent systems is matchmaking, which is to retrieve and classify service descriptions of agents that (best) match a given service request. Several approa...
Thomas Eiter, Daniel Veit, Jörg P. Mülle...