Sciweavers

255 search results - page 34 / 51
» Grid-Based Indexing for Large Time Series Databases
Sort
View
DSMML
2004
Springer
15 years 3 months ago
Redundant Bit Vectors for Quickly Searching High-Dimensional Regions
Applications such as audio fingerprinting require search in high dimensions: find an item in a database that is similar to a query. An important property of this search task is t...
Jonathan Goldstein, John C. Platt, Christopher J. ...
WEBDB
2005
Springer
129views Database» more  WEBDB 2005»
15 years 3 months ago
Searching for Hidden-Web Databases
Recently, there has been increased interest in the retrieval and integration of hidden Web data with a view to leverage high-quality information available in online databases. Alt...
Luciano Barbosa, Juliana Freire
EDBT
2010
ACM
392views Database» more  EDBT 2010»
15 years 4 months ago
Position list word aligned hybrid: optimizing space and performance for compressed bitmaps
Compressed bitmap indexes are increasingly used for efficiently querying very large and complex databases. The Word Aligned Hybrid (WAH) bitmap compression scheme is commonly rec...
François Deliège, Torben Bach Peders...
SIGMOD
2004
ACM
188views Database» more  SIGMOD 2004»
15 years 10 months ago
Online Event-driven Subsequence Matching over Financial Data Streams
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
Huanmei Wu, Betty Salzberg, Donghui Zhang
ICDE
2002
IEEE
138views Database» more  ICDE 2002»
15 years 11 months ago
Efficient Temporal Join Processing Using Indices
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
Donghui Zhang, Vassilis J. Tsotras, Bernhard Seege...