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» Exact and Approximate Aggregation in Constraint Query
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VLDB
2005
ACM
121views Database» more  VLDB 2005»
14 years 28 days ago
Online Estimation For Subset-Based SQL Queries
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
Chris Jermaine, Alin Dobra, Abhijit Pol, Shantanu ...
EDBT
2004
ACM
187views Database» more  EDBT 2004»
14 years 7 months ago
Hierarchical In-Network Data Aggregation with Quality Guarantees
Earlier work has demonstrated the effectiveness of in-network data aggregation in order to minimize the amount of messages exchanged during continuous queries in large sensor netwo...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
ICDE
2006
IEEE
177views Database» more  ICDE 2006»
14 years 8 months ago
Searching Substructures with Superimposed Distance
Efficient indexing techniques have been developed for the exact and approximate substructure search in large scale graph databases. Unfortunately, the retrieval problem of structu...
Xifeng Yan, Feida Zhu, Jiawei Han, Philip S. Yu
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
14 years 7 months ago
Constrained Optimalities in Query Personalization
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
Georgia Koutrika, Yannis E. Ioannidis
ICDE
2009
IEEE
159views Database» more  ICDE 2009»
14 years 9 months ago
Sketch-Based Summarization of Ordered XML Streams
XML streams, such as RSS feeds or complex event streams, are becoming increasingly pervasive as they provide the foundation for a wide range of emerging applications. An important...
Veronica Mayorga, Neoklis Polyzotis