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ICDE
2005
IEEE
183views Database» more  ICDE 2005»
14 years 9 months ago
Adaptive Caching for Continuous Queries
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
Shivnath Babu, Kamesh Munagala, Jennifer Widom, Ra...
SIGMOD
2004
ACM
126views Database» more  SIGMOD 2004»
14 years 7 months ago
StreaMon: An Adaptive Engine for Stream Query Processing
StreaMon is the adaptive query processing engine of the STREAM prototype Data Stream Management System (DSMS) [4]. A fundamental challenge in many DSMS applications (e.g., network...
Shivnath Babu, Jennifer Widom
SIGMOD
2010
ACM
145views Database» more  SIGMOD 2010»
13 years 6 months ago
How to ConQueR why-not questions
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...
Quoc Trung Tran, Chee-Yong Chan
ICDE
2006
IEEE
185views Database» more  ICDE 2006»
14 years 1 months ago
Don't be a Pessimist: Use Snapshot based Concurrency Control for XML
Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
Zeeshan Sardar, Bettina Kemme
SAC
2010
ACM
14 years 2 months ago
On processing location based top-k queries in the wireless broadcasting system
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
HaRim Jung, Byung Ku Cho, Yon Dohn Chung, Ling Liu