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WWW
2007
ACM
16 years 2 months ago
Computer-Supported Collaborative Knowledge Modeling in Ecology
We describe collaborative efforts between a knowledge representation team, a community of scientists, and scientific information managers in developing knowledge models for ecolog...
Deana Pennington, Joshua S. Madin, Ferdinando Vill...
124
Voted
OSDI
2006
ACM
16 years 2 months ago
Distributed Directory Service in the Farsite File System
We present the design, implementation, and evaluation of a fully distributed directory service for Farsite, a logically centralized file system that is physically implemented on a...
John R. Douceur, Jon Howell
SIGMOD
2007
ACM
183views Database» more  SIGMOD 2007»
16 years 2 months ago
Leveraging aggregate constraints for deduplication
We show that aggregate constraints (as opposed to pairwise constraints) that often arise when integrating multiple sources of data, can be leveraged to enhance the quality of dedu...
Surajit Chaudhuri, Anish Das Sarma, Venkatesh Gant...
96
Voted
SIGMOD
2004
ACM
114views Database» more  SIGMOD 2004»
16 years 2 months ago
Evaluating lock-based protocols for cooperation on XML documents
We discuss four different core protocols for synchronizing access to and modifications of XML document collections. These core protocols synchronize structure traversals and modif...
Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
CSE
2009
IEEE
15 years 8 months ago
Reputation-Based Ontology Alignment for Autonomy and Interoperability in Distributed Access Control
Abstract—Vocabulary alignment is a main challenge in distributed access control as peers should understand each other’s policies unambiguously. Ontologies enable mutual underst...
Daniel Trivellato, Fred Spiessens, Nicola Zannone,...