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» Extensible Query Processing in Starburst
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126
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SIGMOD
2004
ACM
174views Database» more  SIGMOD 2004»
16 years 2 months ago
PIPES - A Public Infrastructure for Processing and Exploring Streams
PIPES is a flexible and extensible infrastructure providing fundamental building blocks to implement a data stream management system (DSMS). It is seamlessly integrated into the J...
Bernhard Seeger, Jürgen Krämer
146
Voted
VLDB
2005
ACM
112views Database» more  VLDB 2005»
15 years 8 months ago
Content-Based Routing: Different Plans for Different Data
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...
Pedro Bizarro, Shivnath Babu, David J. DeWitt, Jen...
173
Voted
VLDB
2007
ACM
104views Database» more  VLDB 2007»
16 years 2 months ago
Extending XQuery with Window Functions
This paper presents two extensions for XQuery. The first extension allows the definition and processing of different kinds of windows over an input sequence; i.e., tumbling, slidi...
Irina Botan, Peter M. Fischer, Daniela Florescu, D...
DEXAW
1998
IEEE
126views Database» more  DEXAW 1998»
15 years 6 months ago
An Extended Query Reformulation Technique Using Materialized Views
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
Jae-young Chang, Sang-goo Lee
140
Voted
CIKM
2011
Springer
14 years 2 months ago
Semantic data markets: a flexible environment for knowledge management
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...