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» RFID Data Processing with a Data Stream Query Language
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TIME
2007
IEEE
15 years 8 months ago
On Construction of Holistic Synopses under the Duplicate Semantics of Streaming Queries
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...
David Toman
CISIS
2009
IEEE
15 years 8 days ago
Evaluation of a Framework for Dynamic Source Selection in Stream Processing
The volume of stream data delivered from different information sources is increasing. There are a variety of demands to utilize such stream data for applications. Stream processin...
Kousuke Ohki, Yousuke Watanabe, Hiroyuki Kitagawa
ADBIS
2004
Springer
122views Database» more  ADBIS 2004»
15 years 7 months ago
Implementing a Query Language for Context-Dependent Semistructured Data
Abstract. In today’s global environment, the structure and presentation of information may depend on the underlying context of the user. To address this issue, in previous work w...
Yannis Stavrakas, Kostis Pristouris, Antonis Efand...
PVLDB
2008
136views more  PVLDB 2008»
15 years 1 months ago
Keyword query cleaning
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...
Ken Q. Pu, Xiaohui Yu
SIGMOD
1993
ACM
140views Database» more  SIGMOD 1993»
15 years 6 months ago
Second-Order Signature: A Tool for Specifying Data Models, Query Processing, and Optimization
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
Ralf Hartmut Güting