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» On Sampled Semantics of Timed Systems
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EWMF
2005
Springer
15 years 9 months ago
Semi-automatic Construction of Topic Ontologies
In this paper, we review two techniques for topic discovery in collections of text documents (Latent Semantic Indexing and K-Means clustering) and present how we integrated them in...
Blaz Fortuna, Dunja Mladenic, Marko Grobelnik
VLDB
2004
ACM
138views Database» more  VLDB 2004»
15 years 9 months ago
ObjectRank: Authority-Based Keyword Search in Databases
The ObjectRank system applies authority-based ranking to keyword search in databases modeled as labeled graphs. Conceptually, authority originates at the nodes (objects) containin...
Andrey Balmin, Vagelis Hristidis, Yannis Papakonst...
ASWC
2008
Springer
15 years 6 months ago
Bounded Ontological Consistency for Scalable Dynamic Knowledge Infrastructures
Both semantic web applications and individuals are in need of knowledge infrastructures that can be used in dynamic and distributed environments where different autonomous entities...
Maciej Zurawski, Alan Smaill, Dave Robertson
GISCIENCE
2010
Springer
215views GIS» more  GISCIENCE 2010»
15 years 4 months ago
Microtheories for Spatial Data Infrastructures - Accounting for Diversity of Local Conceptualizations at a Global Level
The categorization of our environment into feature types is an essential prerequisite for cartography, geographic information retrieval, routing applications, spatial decision supp...
Stephanie Duce, Krzysztof Janowicz
ENTCS
2007
128views more  ENTCS 2007»
15 years 4 months ago
Optimisation Validation
We introduce the idea of optimisation validation, which is to formally establish that an instance of an optimising transformation indeed improves with respect to some resource mea...
David Aspinall, Lennart Beringer, Alberto Momiglia...