Sciweavers

822 search results - page 9 / 165
» Hashing Methods for Temporal Data
Sort
View
DEXA
2007
Springer
141views Database» more  DEXA 2007»
14 years 1 months ago
Indexing Set-Valued Attributes with a Multi-level Extendible Hashing Scheme
We present an access method for set-valued attributes that is based on a multi-level extendible hashing scheme. This scheme avoids exponential directory growth for skewed data and...
Sven Helmer, Robin Aly, Thomas Neumann, Guido Moer...
ADC
2004
Springer
88views Database» more  ADC 2004»
13 years 11 months ago
An Efficient Method for Indexing Now-relative Bitemporal data
Most modern database applications contain a significant amount of time dependent data and a substantial proportion of this data is now-relative, i.e. current now. While much resea...
Bela Stantic, Sankalp Khanna, John Thornton
WWW
2010
ACM
14 years 2 months ago
b-Bit minwise hashing
This paper establishes the theoretical framework of b-bit minwise hashing. The original minwise hashing method has become a standard technique for estimating set similarity (e.g.,...
Ping Li, Arnd Christian König
INFOCOM
2006
IEEE
14 years 1 months ago
Reverse Hashing for High-Speed Network Monitoring: Algorithms, Evaluation, and Applications
— A key function for network traffic monitoring and analysis is the ability to perform aggregate queries over multiple data streams. Change detection is an important primitive w...
Robert T. Schweller, Zhichun Li, Yan Chen, Yan Gao...
CBMS
2006
IEEE
14 years 1 months ago
An Ontology-Driven Mediator for Querying Time-Oriented Biomedical Data
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
Martin J. O'Connor, Ravi Shankar, Amar K. Das