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» Gram: A Graph Data Model and Query Language
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TIME
2003
IEEE
14 years 1 months ago
A Novel Approach to Model NOW in Temporal Databases
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...
Bela Stantic, John Thornton, Abdul Sattar
KES
2010
Springer
13 years 6 months ago
Talking Biology in Logic, and Back
While computation of biological information takes center stage in today’s research, knowledge-based query processing in biological databases has not gained much attention. The co...
Hasan Jamil
ICDT
2012
ACM
242views Database» more  ICDT 2012»
11 years 10 months ago
Win-move is coordination-free (sometimes)
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
Daniel Zinn, Todd J. Green, Bertram Ludäscher
PPSWR
2005
Springer
14 years 1 months ago
A Geospatial World Model for the Semantic Web
The Semantic Web is an endeavour aiming at enhancing Web data with meta-data and data processing, as well as processing methods specifying the “meaning” of such data and allowi...
François Bry, Bernhard Lorenz, Hans Jü...
ADBIS
1999
Springer
104views Database» more  ADBIS 1999»
14 years 5 days ago
Mining Various Patterns in Sequential Data in an SQL-like Manner
Abstract. One of the most important data mining tasks is discovery of frequently occurring patterns in sequences of events. Many algorithms for finding various patterns in sequenti...
Marek Wojciechowski