Sciweavers

1846 search results - page 334 / 370
» Fuzzy queries and relational databases
Sort
View
SIGMOD
1997
ACM
85views Database» more  SIGMOD 1997»
13 years 12 months ago
Supporting Multiple View Maintenance Policies
Materialized views and view maintenance are becoming increasingly important in practice. In order to satisfy different data currency and performance requirements, a number of view...
Latha S. Colby, Akira Kawaguchi, Daniel F. Lieuwen...
SIGMOD
1997
ACM
131views Database» more  SIGMOD 1997»
13 years 12 months ago
Maintenance of Data Cubes and Summary Tables in a Warehouse
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical ...
Inderpal Singh Mumick, Dallan Quass, Barinderpal S...
VLDB
2002
ACM
154views Database» more  VLDB 2002»
13 years 7 months ago
I/O-Conscious Data Preparation for Large-Scale Web Search Engines
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
Maxim Lifantsev, Tzi-cker Chiueh
PODS
2005
ACM
164views Database» more  PODS 2005»
14 years 7 months ago
Lower bounds for sorting with few random accesses to external memory
We consider a scenario where we want to query a large dataset that is stored in external memory and does not fit into main memory. The most constrained resources in such a situati...
Martin Grohe, Nicole Schweikardt
BMCBI
2006
109views more  BMCBI 2006»
13 years 7 months ago
A computational approach to discovering the functions of bacterial phytochromes by analysis of homolog distributions
Background: Phytochromes are photoreceptors, discovered in plants, that control a wide variety of developmental processes. They have also been found in bacteria and fungi, but for...
Tilman Lamparter