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CIKM
2009
Springer
14 years 1 months ago
Efficient processing of group-oriented connection queries in a large graph
We study query processing in large graphs that are fundamental data model underpinning various social networks and Web structures. Given a set of query nodes, we aim to find the g...
James Cheng, Yiping Ke, Wilfred Ng
DOLAP
2009
ACM
14 years 29 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
EPIA
2009
Springer
14 years 29 days ago
Semantic Image Search and Subset Selection for Classifier Training in Object Recognition
Abstract. Robots need to ground their external vocabulary and internal symbols in observations of the world. In recent works, this problem has been approached through combinations ...
Rui Pereira, Luís Seabra Lopes, Augusto Sil...
APWEB
2006
Springer
14 years 23 days ago
Image Description Mining and Hierarchical Clustering on Data Records Using HR-Tree
Since we can hardly get semantics from the low-level features of the image, it is much more difficult to analyze the image than textual information on the Web. Traditionally, textu...
Congle Zhang, Sheng Huang, Gui-Rong Xue, Yong Yu
ER
2006
Springer
145views Database» more  ER 2006»
14 years 22 days ago
Combining Declarative and Procedural Knowledge to Automate and Represent Ontology Mapping
Ontologies on the Semantic Web are by nature decentralized. From the body of ontology mapping approaches, we can draw a conclusion that an effective approach to automate ontology m...
Li Xu, David W. Embley, Yihong Ding