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» A Data Model for XML Databases
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EXPDB
2006
ACM
16 years 24 days 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...
NAR
2011
267views Computer Vision» more  NAR 2011»
15 years 1 months ago
EcoCyc: a comprehensive database of Escherichia coli biology
EcoCyc (http://EcoCyc.org) is a comprehensive model organism database for Escherichia coli K-12 MG1655. From the scientific literature, EcoCyc captures the functions of individual...
Ingrid M. Keseler, Julio Collado-Vides, Alberto Sa...
CCS
2008
ACM
15 years 8 months ago
Assessing query privileges via safe and efficient permission composition
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
ADC
2003
Springer
123views Database» more  ADC 2003»
16 years 1 days ago
A Distance-Based Packing Method for High Dimensional Data
Minkowski-sum cost model indicates that balanced data partitioning is not beneficial for high dimensional data. Thus we study several unbalanced partitioning methods and propose ...
Tae-wan Kim, Ki-Joune Li
BTW
2007
Springer
123views Database» more  BTW 2007»
16 years 1 months ago
Data Provenance: A Categorization of Existing Approaches
: In many application areas like e-science and data-warehousing detailed information about the origin of data is required. This kind of information is often referred to as data pro...
Boris Glavic, Klaus R. Dittrich