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SAC
2004
ACM
16 years 5 days ago
A new algorithm for gap constrained sequence mining
The sequence mining problem consists in finding frequent sequential patterns in a database of time-stamped events. Several application domains require limiting the maximum tempor...
Salvatore Orlando, Raffaele Perego, Claudio Silves...
ER
2004
Springer
119views Database» more  ER 2004»
16 years 4 days ago
Schema Evolution in Data Warehousing Environments - A Schema Transformation-Based Approach
Abstract. In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialised integrated database. The schemas of the data sources and the in...
Hao Fan, Alexandra Poulovassilis
SSDBM
2003
IEEE
105views Database» more  SSDBM 2003»
16 years 1 days ago
Development of an Informatics Tool for Crystallography Laboratory Administrators
With increased demand for storage of scientific data comes a corresponding demand for efficient retrieval mechanisms necessary for analytical and reporting purposes. As is often...
Leah Sandvoss, Dennis P. Groth
PODS
2010
ACM
213views Database» more  PODS 2010»
15 years 12 months ago
Expressive languages for path queries over graph-structured data
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
Pablo Barceló, Carlos A. Hurtado, Leonid Li...
MSR
2009
ACM
15 years 11 months ago
On mining data across software repositories
Software repositories provide abundance of valuable information about open source projects. With the increase in the size of the data maintained by the repositories, automated ext...
Prasanth Anbalagan, Mladen A. Vouk