Sciweavers

1611 search results - page 288 / 323
» Supporting Exploratory Queries in Databases
Sort
View
ADC
2004
Springer
156views Database» more  ADC 2004»
14 years 2 months ago
Multiresolution Amalgamation: Dynamic Spatial Data Cube Generation
Aggregating spatial objects is a necessary step in generating spatial data cubes to support roll-up/drill-down operations. Current approaches face performance bottleneck issues wh...
Sham Prasher, Xiaofang Zhou
ICDM
2002
IEEE
163views Data Mining» more  ICDM 2002»
14 years 1 months ago
High Performance Data Mining Using the Nearest Neighbor Join
The similarity join has become an important database primitive to support similarity search and data mining. A similarity join combines two sets of complex objects such that the r...
Christian Böhm, Florian Krebs
DEXAW
2000
IEEE
76views Database» more  DEXAW 2000»
14 years 1 months ago
A Semantical Twist to Syntactical Navigation
Given their simple nature, the success of keyword based retrieval systems is astonishing. Although these methods seemingly only process words (and their word counts), they rely on...
F. Grootjen
DOLAP
2000
ACM
14 years 1 months ago
Incremental Update to Aggregated Information for Data Warehouses over Internet
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
Miranda Chan, Hong Va Leong, Antonio Si
SIGMOD
1997
ACM
146views Database» more  SIGMOD 1997»
14 years 1 months ago
Concurrency and Recovery in Generalized Search Trees
This paper presents general algorithms for concurrency control in tree-based access methods as well as a recovery protocol and a mechanism for ensuring repeatable read. The algori...
Marcel Kornacker, C. Mohan, Joseph M. Hellerstein