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ICEIS
2009
IEEE
14 years 3 months ago
Relaxing XML Preference Queries for Cooperative Retrieval
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
SungRan Cho, Wolf-Tilo Balke
CIKM
2009
Springer
14 years 3 months ago
Group-by skyline query processing in relational engines
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...
Ming-Hay Luk, Man Lung Yiu, Eric Lo
MFCS
2009
Springer
14 years 3 months ago
Query Automata for Nested Words
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We de...
P. Madhusudan, Mahesh Viswanathan
MIDDLEWARE
2009
Springer
14 years 3 months ago
PAQ: Persistent Adaptive Query Middleware for Dynamic Environments
Abstract. Pervasive computing applications often entail continuous monitoring tasks, issuing persistent queries that return continuously updated views of the operational environmen...
Vasanth Rajamani, Christine Julien, Jamie Payton, ...
BIBM
2008
IEEE
144views Bioinformatics» more  BIBM 2008»
14 years 3 months ago
PhyQL: A Web-Based Phylogenetic Visual Query Engine
Biologists are often interested to query published phylogenetic data for research purposes. PhyQL, a web-based visual phylogenetic query engine, can be quite useful on this regard...
Shahriyar Hossain, Munirul Islam, Jesmin, Hasan M....