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» Deriving Category Theory from Type Theory
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WWW
2009
ACM
14 years 9 months ago
Learning to tag
Social tagging provides valuable and crucial information for large-scale web image retrieval. It is ontology-free and easy to obtain; however, irrelevant tags frequently appear, a...
Lei Wu, Linjun Yang, Nenghai Yu, Xian-Sheng Hua
WWW
2009
ACM
14 years 9 months ago
Rare item detection in e-commerce site
As the largest online marketplace in the world, eBay has a huge inventory where there are plenty of great rare items with potentially large, even rapturous buyers. These items are...
Dan Shen, Xiaoyuan Wu, Alvaro Bolivar
WWW
2008
ACM
14 years 9 months ago
Recrawl scheduling based on information longevity
It is crucial for a web crawler to distinguish between ephemeral and persistent content. Ephemeral content (e.g., quote of the day) is usually not worth crawling, because by the t...
Christopher Olston, Sandeep Pandey
WWW
2008
ACM
14 years 9 months ago
Structured objects in owl: representation and reasoning
Applications of semantic technologies often require the representation of and reasoning with structured objects--that is, objects composed of parts connected in complex ways. Alth...
Boris Motik, Bernardo Cuenca Grau, Ulrike Sattler
WWW
2006
ACM
14 years 9 months ago
Learning and inferencing in user ontology for personalized semantic web services
Domain ontology has been used in many Semantic Web applications. However, few applications explore the use of ontology for personalized services. This paper proposes an ontology b...
Xing Jiang, Ah-Hwee Tan