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SECURWARE
2007
IEEE
15 years 7 months ago
Distributed Identity Management Model for Digital Ecosystems
— Digital Ecosystems is the new paradigm for dynamic IT business integration. A Digital Ecosystem consists of institutions that compete, collaborate, and form stable or unstable ...
Hristo Koshutanski, Mihaela Ion, Luigi Telesca
177
Voted
SIGMOD
2005
ACM
99views Database» more  SIGMOD 2005»
16 years 27 days ago
Query answering exploiting structural properties
We review the notion of hypertree width, a measure of the degree of cyclicity of hypergraphs that is useful for identifying and solving efficiently easy instances of hard problems...
Francesco Scarcello
83
Voted
WIKIS
2009
ACM
15 years 7 months ago
Experience report - Wiki for law firms
This paper shows the experiences of a law firm with adopting Wiki Webs for knowledge management and collaboration over the last two years. Wikis created a business advantage for t...
Urs Egli, Peter Sommerlad
132
Voted
EPIA
2003
Springer
15 years 6 months ago
A Methodology to Create Ontology-Based Information Retrieval Systems
Modern information retrieval systems need the capability to reason about the knowledge conveyed by text bases. In this paper a methodology to automatically create ontologies and cl...
José Saias, Paulo Quaresma
109
Voted
CCCG
2008
15 years 2 months ago
Convex Hull of the Union of Convex Objects in the Plane: an Adaptive Analysis
We prove a tight asymptotic bound of ( log(n/)) on the worst case computational complexity of the convex hull of the union of two convex objects of sizes summing to n requiring o...
Jérémy Barbay, Eric Y. Chen