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DOLAP
2009
ACM
14 years 16 days ago
Defining ETL worfklows using BPMN and BPEL
Decisional systems are crucial for enterprise improvement. They allow the consolidation of heterogeneous data from distributed enterprise data stores into strategic indicators. An...
Zineb El Akkaoui, Esteban Zimányi
DAWAK
2009
Springer
14 years 16 days ago
TidFP: Mining Frequent Patterns in Different Databases with Transaction ID
Since transaction identifiers (ids) are unique and would not usually be frequent, mining frequent patterns with transaction ids, showing records they occurred in, provides an effic...
C. I. Ezeife, Dan Zhang
DAWAK
2009
Springer
14 years 16 days ago
Skyline View: Efficient Distributed Subspace Skyline Computation
Skyline queries have gained much attention as alternative query semantics with pros (e.g.low query formulation overhead) and cons (e.g.large control over result size). To overcome ...
Jinhan Kim, Jongwuk Lee, Seung-won Hwang
DAWAK
2009
Springer
14 years 16 days ago
Visual Modelling of Data Warehousing Flows with UML Profiles
Data warehousing involves complex processes that transform source data through several stages to deliver suitable information ready to be analysed. Though many techniques for visua...
Jesús Pardillo, Matteo Golfarelli, Stefano ...
SIGIR
2010
ACM
14 years 16 days ago
Personalizing information retrieval for multi-session tasks: the roles of task stage and task type
Dwell time as a user behavior has been found in previous studies to be an unreliable predictor of document usefulness, with contextual factors such as the user’s task needing to...
Jingjing Liu, Nicholas J. Belkin
SIGIR
2010
ACM
14 years 16 days ago
Inferring user intent in web search by exploiting social annotations
In this paper, we present a folksonomy-based approach for implicit user intent extraction during a Web search process. We present a number of result re-ranking techniques based on...
Jose M. Conde, David Vallet, Pablo Castells
SIGIR
2010
ACM
14 years 16 days ago
Cross-language retrieval using link-based language models
We propose a cross-language retrieval model that is solely based on Wikipedia as a training corpus. The main contri
Benjamin Roth, Dietrich Klakow
SIGIR
2010
ACM
14 years 16 days ago
Many are better than one: improving multi-document summarization via weighted consensus
Given a collection of documents, various multi-document summarization methods have been proposed to generate a short summary. However, few studies have been reported on aggregatin...
Dingding Wang, Tao Li