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PPDP
2010
Springer
15 years 8 days ago
Graph queries through datalog optimizations
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
K. Tuncay Tekle, Michael Gorbovitski, Yanhong A. L...
GIS
2005
ACM
16 years 2 months ago
ASPEN: an adaptive spatial peer-to-peer network
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku
DESRIST
2009
Springer
110views Education» more  DESRIST 2009»
15 years 6 months ago
Towards a paradigmatic shift in IS: designing for social practice
The paper elaborates on the theoretical foundation of Information System understood as a field of design science. Revisiting Hevner’s et al. seminal paper [44], we elaborate on ...
Markus Rohde, Gunnar Stevens, Peter Brödner, ...
SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
16 years 2 months ago
Dictionary-based order-preserving string compression for main memory column stores
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
Carsten Binnig, Stefan Hildenbrand, Franz Fär...
KCAP
2009
ACM
15 years 8 months ago
Sharing and reusing aligned ontologies with cupboard
This demo presents the Cupboard online system for sharing and reusing ontologies linked together with alignments, and that are attached to rich metadata and reviews. Categories an...
Mathieu d'Aquin, Jérôme Euzenat, Chan...