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SIGMOD
2005
ACM
119views Database» more  SIGMOD 2005»
14 years 7 months ago
Update-Pattern-Aware Modeling and Processing of Continuous Queries
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
Lukasz Golab, M. Tamer Özsu
SIGMOD
2003
ACM
146views Database» more  SIGMOD 2003»
14 years 7 months ago
The Piazza peer data management project
A major problem in today's information-driven world is that sharing heterogeneous, semantically rich data is incredibly difficult. Piazza is a peer data management system tha...
Igor Tatarinov, Zachary G. Ives, Jayant Madhavan, ...
SIGMOD
2004
ACM
142views Database» more  SIGMOD 2004»
14 years 7 months ago
Understanding Web Query Interfaces: Best-Effort Parsing with Hidden Syntax
Recently, the Web has been rapidly "deepened" by many searchable databases online, where data are hidden behind query forms. For modelling and integrating Web databases,...
Zhen Zhang, Bin He, Kevin Chen-Chuan Chang
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 2 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin
BIS
2008
114views Business» more  BIS 2008»
13 years 9 months ago
Determining Relevant Deep Web Sites by Query Context Identification
Deep web search requires a transformation between search keywords and semantically described and well-formed data structures. We approached this problem in our "In the Web of ...
Zsolt Tivadar Kardkovács, Domonkos Tikk