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IJWIS
2008
13 years 8 months ago
2008
: Purpose -- Efficient processing of XML queries is critical for XML data management and related applications. Previously proposed techniques are unsatisfactory. This article prese...
EDBT
2002
ACM
14 years 9 months ago
2002
ACM
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Adaptive query processing has been the subject of a great deal of recent work, particularly in emerging data management environments such as data integration and data streams. We ...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Our experimental analysis of several popular XPath processors reveals a striking fact: Query evaluation in each of the systems requires time exponential in the size of queries in ...
IFSA
2007
Springer
14 years 2 months ago
2007
Springer
The main objective of an information retrieval system is to be effective in providing a user with relevant information in response to a query. However, especially given the inform...