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SAC
2009
ACM
15 years 12 months ago
Enhancing XML data warehouse query performance by fragmentation
XML data warehouses form an interesting basis for decisionsupport applications that exploit heterogeneous data from multiple sources. However, XML-native database systems currentl...
Hadj Mahboubi, Jérôme Darmont
CIKM
2009
Springer
15 years 11 months ago
A query model based on normalized log-likelihood
Leveraging information from relevance assessments has been proposed as an effective means for improving retrieval. We introduce a novel language modeling method which uses inform...
Edgar Meij, Wouter Weerkamp, Maarten de Rijke
CIKM
2009
Springer
15 years 11 months ago
iPoG: fast interactive proximity querying on graphs
Given an author-conference graph, how do we answer proximity queries (e.g., what are the most related conferences for John Smith?); how can we tailor the search result if the user...
Hanghang Tong, Huiming Qu, Hani Jamjoom, Christos ...
DOCENG
2009
ACM
15 years 11 months ago
On the analysis of queries with counting constraints
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
Everardo Bárcenas, Pierre Genevès, N...
MSR
2006
ACM
15 years 11 months ago
An open framework for CVS repository querying, analysis and visualization
We present an open framework for visual mining of CVS software repositories. We address three aspects: data extraction, analysis and visualization. We first discuss the challenges...
Lucian Voinea, Alexandru Telea