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» Dynamic prioritization of database queries
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ICDE
2011
IEEE
222views Database» more  ICDE 2011»
8 years 3 months ago
Dynamic prioritization of database queries
— Enterprise database systems handle a variety of diverse query workloads that are of different importance to the business. For example, periodic reporting queries are usually mi...
Sivaramakrishnan Narayanan, Florian Waas
EDBT
2006
ACM
194views Database» more  EDBT 2006»
10 years 10 hour ago
On Concurrency Control in Sliding Window Queries over Data Streams
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
Lukasz Golab, Kumar Gaurav Bijay, M. Tamer Öz...
SSDBM
2008
IEEE
177views Database» more  SSDBM 2008»
9 years 6 months ago
Prioritized Evaluation of Continuous Moving Queries over Streaming Locations
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
Kostas Patroumpas, Timos K. Sellis
ICDE
2009
IEEE
200views Database» more  ICDE 2009»
10 years 1 months ago
Adaptive Scheduling of Web Transactions
In highly interactive dynamic web database systems, user satisfaction determines their success. In such systems, userrequested web pages are dynamically created by executing a numb...
Shenoda Guirguis, Mohamed A. Sharaf, Panos K. Chry...
AMAI
2007
Springer
9 years 15 hour ago
Database querying under changing preferences
We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is query modification: a query tran...
Jan Chomicki
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