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AMW
2009
15 years 8 months ago
Using Patterns for Faster and Scalable Rewriting of Conjunctive Queries
Abstract. Rewriting of conjunctive queries using views has many applications in database and data integration. We investigate ways to improve performance of rewriting and propose a...
Ali Kiani, Nematollaah Shiri
IJON
2010
119views more  IJON 2010»
15 years 5 months ago
Hyperparameter learning in probabilistic prototype-based models
We present two approaches to extend Robust Soft Learning Vector Quantization (RSLVQ). This algorithm for nearest prototype classification is derived from an explicit cost functio...
Petra Schneider, Michael Biehl, Barbara Hammer
MTSR
2007
Springer
16 years 27 days ago
A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections
Nowadays, an increasingly growing demand for advanced multimedia search engines is arising, as huge amounts of digital visual content are becoming
Stefanos Vrochidis, Haralambos Doulaverakis, Anast...
CIKM
2010
Springer
15 years 5 months ago
Semantic tags generation and retrieval for online advertising
One of the main problems in online advertising is to display ads which are relevant and appropriate w.r.t. what the user is looking for. Often search engines fail to reach this go...
Roberto Mirizzi, Azzurra Ragone, Tommaso Di Noia, ...
CLEF
2009
Springer
15 years 4 months ago
Clustering for Text and Image-Based Photo Retrieval at CLEF 2009
For this year's Image CLEF Photo Retrieval task, we have prepared 5 submission runs to help us assess the effectiveness of 1) image content-based retrieval, and 2) textbased ...
Qian Zhu, Diana Inkpen