Sciweavers

VLDB
2005
ACM
120views Database» more  VLDB 2005»
13 years 10 months ago
Efficiently Processing Queries on Interval-and-Value Tuples in Relational Databases
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
Jost Enderle, Nicole Schneider, Thomas Seidl
VLDB
2005
ACM
136views Database» more  VLDB 2005»
13 years 10 months ago
iMeMex: Escapes from the Personal Information Jungle
Modern computer work stations provide thousands of applications that store data in >100.000 files on the file system of the underlying OS. To handle these files data process...
Jens-Peter Dittrich, Marcos Antonio Vaz Salles, Do...
VLDB
2005
ACM
125views Database» more  VLDB 2005»
13 years 10 months ago
Rewriting XPath Queries Using Materialized Views
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
Wanhong Xu, Z. Meral Özsoyoglu
VLDB
2005
ACM
196views Database» more  VLDB 2005»
13 years 10 months ago
Summarizing and Mining Inverse Distributions on Data Streams via Dynamic Inverse Sampling
Emerging data stream management systems approach the challenge of massive data distributions which arrive at high speeds while there is only small storage by summarizing and minin...
Graham Cormode, S. Muthukrishnan, Irina Rozenbaum
VLDB
2005
ACM
129views Database» more  VLDB 2005»
13 years 10 months ago
Sketching Streams Through the Net: Distributed Approximate Query Tracking
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
Graham Cormode, Minos N. Garofalakis
VLDB
2005
ACM
82views Database» more  VLDB 2005»
13 years 10 months ago
Stack-based Algorithms for Pattern Matching on DAGs
Existing work for query processing over graph data models often relies on pre-computing the transitive closure or path indexes. In this paper, we propose a family of stack-based a...
Li Chen, Amarnath Gupta, M. Erdem Kurul
VLDB
2005
ACM
113views Database» more  VLDB 2005»
13 years 10 months ago
Optimistic Intra-Transaction Parallelism on Chip Multiprocessors
With the advent of chip multiprocessors, exploiting intra-transaction parallelism is an attractive way of improving transaction performance. However, exploiting intra-transaction ...
Christopher B. Colohan, Anastassia Ailamaki, J. Gr...
VLDB
2005
ACM
85views Database» more  VLDB 2005»
13 years 10 months ago
Inspector Joins
The key idea behind Inspector Joins is that during the I/O partitioning phase of a hash-based join, we have the opportunity to look at the actual data itself and then use this kno...
Shimin Chen, Anastassia Ailamaki, Phillip B. Gibbo...
VLDB
2005
ACM
110views Database» more  VLDB 2005»
13 years 10 months ago
U-DBMS: A Database System for Managing Constantly-Evolving Data
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar