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» Evaluating TOP-K Queries over Business Processes
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WEBDB
2005
Springer
97views Database» more  WEBDB 2005»
15 years 11 months ago
Towards a Query Language for Multihierarchical XML: Revisiting XPath
In recent years it has been argued that when XML encodings become complex, DOM trees are no longer adequate for query processing. Alternative representations of XML documents, suc...
Ionut Emil Iacob, Alex Dekhtyar
EDBT
2010
ACM
164views Database» more  EDBT 2010»
15 years 9 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...

Publication
309views
17 years 5 months ago
SOLE: Scalable On-Line Execution of Continuous Queries on Spatio-temporal Data Streams
This paper presents the Scalable On-Line Execution algorithm (SOLE, for short) for continuous and on-line evaluation of concurrent continuous spatio- temporal queries over data str...
Mohamed F. Mokbel, Walid G. Aref
WEBDB
2010
Springer
143views Database» more  WEBDB 2010»
15 years 10 months ago
Querying Wikipedia Documents and Relationships
Wikipedia has become an important source of information which is growing very rapidly. However, the existing infrastructure for querying this information is limited and often igno...
Huong Nguyen, Thanh Nguyen, Hoa Nguyen, Juliana Fr...
ICDT
2012
ACM
226views Database» more  ICDT 2012»
13 years 8 months ago
Factorised representations of query results: size bounds and readability
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
Dan Olteanu, Jakub Zavodny