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SIGMOD
2006
ACM
138views Database» more  SIGMOD 2006»
14 years 9 months ago
B-tree indexes for high update rates
ct In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering usi...
Goetz Graefe
ICDM
2009
IEEE
155views Data Mining» more  ICDM 2009»
14 years 3 months ago
A Contrast Pattern Based Clustering Quality Index for Categorical Data
Since clustering is unsupervised and highly explorative, clustering validation (i.e. assessing the quality of clustering solutions) has been an important and long standing researc...
Qingbao Liu, Guozhu Dong
CIKM
2009
Springer
14 years 3 months ago
Dynamic in-page logging for flash-aware B-tree index
This paper presents Dynamic IPL B+ -tree (d-IPL in short) as a B+ -tree index variant for flash-based storage systems. The d-IPL B+ -tree adopts a dynamic In-Page Logging (IPL) s...
Gap-Joo Na, Sang-Won Lee, Bongki Moon
SAC
2005
ACM
14 years 2 months ago
A pivot-based index structure for combination of feature vectors
We present a novel indexing schema that provides efficient nearest-neighbor queries in multimedia databases consisting of objects described by multiple feature vectors. The beneï¬...
Benjamin Bustos, Daniel A. Keim, Tobias Schreck
CIKM
2004
Springer
14 years 2 months ago
Indexing text data under space constraints
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...
Bijit Hore, Hakan Hacigümüs, Balakrishna...