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EMISA
2010
Springer
13 years 6 months ago
Supporting ad hoc Analyses on Enterprise Models
Abstract: Enterprises are socio technical systems whose management involves multiple stakeholders each demanding for a distinct perspective on the enterprise. A large number of mod...
Sabine Buckl, Jens Gulden, Christian M. Schweda
EKAW
2010
Springer
13 years 6 months ago
Temporal Knowledge Acquisition and Modeling
The objectives of this paper are to present, describe, and explain the foundations and the functionalities of a temporal knowledge acquisition and modeling solution workflow, which...
Cyril Faucher, Charles Teissèdre, Jean-Yves...
EGOV
2010
Springer
13 years 6 months ago
Siblings of a Different Kind: E-Government and E-Commerce
This paper reports on the last phase of a longitudinal exploratory study, which aims to compare similarities and differences between e-Commerce and eGovernment. In two stages, we ...
Karine Barzilai-Nahon, Hans Jochen Scholl
ECIR
2010
Springer
13 years 6 months ago
Enriching Peer-to-Peer File Descriptors Using Association Rules on Query Logs
We describe a P2P association rule mining descriptor enrichment approach that statistically significantly increases accuracy by greater than 15% over the non-enriched baseline. Unl...
Nazli Goharian, Ophir Frieder, Wai Gen Yee, Jay Mu...
ECIR
2010
Springer
13 years 6 months ago
Maximum Margin Ranking Algorithms for Information Retrieval
Abstract. Machine learning ranking methods are increasingly applied to ranking tasks in information retrieval (IR). However ranking tasks in IR often differ from standard ranking t...
Shivani Agarwal, Michael Collins
ECIR
2010
Springer
13 years 6 months ago
Query Aspect Based Term Weighting Regularization in Information Retrieval
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
Wei Zheng, Hui Fang
DOLAP
2010
ACM
13 years 6 months ago
Relational versus non-relational database systems for data warehousing
Relational database systems have been the dominating technology to manage and analyze large data warehouses. Moreover, the ER model, the standard in database design, has a close r...
Carlos Ordonez, Il-Yeol Song, Carlos Garcia-Alvara...
DOLAP
2010
ACM
13 years 6 months ago
Towards OLAP query reformulation in peer-to-peer data warehousing
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities. Traditional b...
Matteo Golfarelli, Federica Mandreoli, Wilma Penzo...
DAWAK
2010
Springer
13 years 6 months ago
Mining Non-redundant Information-Theoretic Dependencies between Itemsets
Abstract. We present an information-theoretic framework for mining dependencies between itemsets in binary data. The problem of closure-based redundancy in this context is theoreti...
Michael Mampaey