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» Answering order-based queries over XML data
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KRDB
2003
111views Database» more  KRDB 2003»
14 years 11 months ago
A Framework for Answering Queries using Multiple Representation and Inference Techniques
The Polylog framework is designed to provide a language for efficiently automating complex queries of information represented in multiple formats. A Polylog program contains a set...
Nicholas L. Cassimatis
ICDE
2002
IEEE
91views Database» more  ICDE 2002»
15 years 2 months ago
Lossy Reduction for Very High Dimensional Data
We consider the use of data reduction techniques for the problem of approximate query answering. We focus on applications for which accurate answers to selective queries are requi...
Chris Jermaine, Edward Omiecinski
WIDM
2004
ACM
15 years 3 months ago
A comprehensive solution to the XML-to-relational mapping problem
The use of relational database management systems (RDBMSs) to store and query XML data has attracted considerable interest with a view to leveraging their powerful and reliable da...
Sihem Amer-Yahia, Fang Du, Juliana Freire
SDM
2009
SIAM
164views Data Mining» more  SDM 2009»
15 years 7 months ago
Time-Decayed Correlated Aggregates over Data Streams.
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
Graham Cormode, Srikanta Tirthapura, Bojian Xu
SIGMOD
2006
ACM
238views Database» more  SIGMOD 2006»
15 years 10 months ago
Continuous monitoring of top-k queries over sliding windows
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
Kyriakos Mouratidis, Spiridon Bakiras, Dimitris Pa...