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PGLDB
2003
166views Database» more  PGLDB 2003»
13 years 9 months ago
ROSA: A Data Model and Query Language for e-Learning Objects
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
Fabio Porto, Ana Maria de Carvalho Moura, Adriana ...
SIGMOD
2002
ACM
169views Database» more  SIGMOD 2002»
14 years 7 months ago
Covering indexes for branching path queries
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
Raghav Kaushik, Philip Bohannon, Jeffrey F. Naught...
EXPDB
2006
ACM
14 years 1 months ago
Pushing XPath Accelerator to its Limits
Two competing encoding concepts are known to scale well with growing amounts of XML data: XPath Accelerator encoding implemented by MonetDB for in-memory documents and X-Hive’s ...
Christian Grün, Alexander Holupirek, Marc Kra...