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DOLAP
2005
ACM
13 years 9 months ago
Mapping conceptual to logical models for ETL processes
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
Alkis Simitsis
SIGMOD
2005
ACM
114views Database» more  SIGMOD 2005»
14 years 7 months ago
Semantic characterizations of navigational XPath
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
Maarten Marx, Maarten de Rijke
ITICSE
2004
ACM
14 years 1 months ago
Use of large databases for group projects at the nexus of teaching and research
Final year, group (capstone) projects in computing disciplines are often expected to fill multiple roles: in addition to allowing students to learn important domain-specific knowl...
Richard C. Thomas, Rebecca Mancy
CAISE
2005
Springer
14 years 1 months ago
Bridging Relational Databases to Context-Aware Services
The provision of context-aware services in terms of the anytime/anywhere/anymedia paradigm requires the consideration of certain context properties in terms of time, location, devi...
Elisabeth Kapsammer, Wieland Schwinger, Werner Ret...
SIGIR
2004
ACM
14 years 1 months ago
Query-related data extraction of hidden web documents
The larger amount of information on the Web is stored in document databases and is not indexed by general-purpose search engines (i.e., Google and Yahoo). Such information is dyna...
Yih-Ling Hedley, Muhammad Younas, Anne E. James, M...