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» Generating Databases for Query Workloads
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ICDE
2005
IEEE
115views Database» more  ICDE 2005»
16 years 3 months ago
Snapshot Queries: Towards Data-Centric Sensor Networks
In this paper we introduce the idea of snapshot queries for energy efficient data acquisition in sensor networks. Network nodes generate models of their surrounding environment th...
Yannis Kotidis
DASFAA
2006
IEEE
156views Database» more  DASFAA 2006»
15 years 8 months ago
TwigStackList-: A Holistic Twig Join Algorithm for Twig Query with Not-Predicates on XML Data
As business and enterprises generate and exchange XML data more often, there is an increasing need for searching and querying XML data. A lot of researches have been done to match ...
Tian Yu, Tok Wang Ling, Jiaheng Lu
96
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ICDM
2006
IEEE
132views Data Mining» more  ICDM 2006»
15 years 8 months ago
Mining for Tree-Query Associations in a Graph
New applications of data mining, such as in biology, bioinformatics, or sociology, are faced with large datasets structured as graphs. We present an efficient algorithm for minin...
Eveline Hoekx, Jan Van den Bussche
ICDE
2003
IEEE
211views Database» more  ICDE 2003»
16 years 3 months ago
Capturing Sensor-Generated Time Series with Quality Guarantees
We are interested in capturing time series generated by small wireless electronic sensors. Battery-operated sensors must avoid heavy use of their wireless radio which is a key cau...
Iosif Lazaridis, Sharad Mehrotra
SIGMOD
2004
ACM
148views Database» more  SIGMOD 2004»
16 years 2 months ago
Vertical and Horizontal Percentage Aggregations
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
Carlos Ordonez