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ACM Transactions on the Web (TWEB), Volume 7 Issue 3, September 2013

A feature-word-topic model for image annotation and retrieval
Cam-Tu Nguyen, Natsuda Kaothanthong, Takeshi Tokuyama, Xuan-Hieu Phan
Article No.: 12
DOI: 10.1145/2516633.2516634

Image annotation is a process of finding appropriate semantic labels for images in order to obtain a more convenient way for indexing and searching images on the Web. This article proposes a novel method for image annotation based on combining...

Improving contextual advertising by adopting collaborative filtering
Eloisa Vargiu, Alessandro Giuliani, Giuliano Armano
Article No.: 13
DOI: 10.1145/2516633.2516635

Contextual advertising can be viewed as an information filtering task aimed at selecting suitable ads to be suggested to the final “user”, that is, the Web page in hand. Starting from this insight, in this article we propose a novel...

Virtual private social networks and a facebook implementation
Mauro Conti, Arbnor Hasani, Bruno Crispo
Article No.: 14
DOI: 10.1145/2516633.2516636

The popularity of Social Networking Sites (SNS) is growing rapidly, with the largest sites serving hundreds of millions of users and their private information. The privacy settings of these SNSs do not allow the user to avoid sharing some...

A term-based inverted index partitioning model for efficient distributed query processing
B. Barla Cambazoglu, Enver Kayaaslan, Simon Jonassen, Cevdet Aykanat
Article No.: 15
DOI: 10.1145/2516633.2516637

In a shared-nothing, distributed text retrieval system, queries are processed over an inverted index that is partitioned among a number of index servers. In practice, the index is either document-based or term-based partitioned. This choice is...

The parallel path framework for entity discovery on the web
Tim Weninger, Thomas J. Johnston, Jiawei Han
Article No.: 16
DOI: 10.1145/2516633.2516638

It has been a dream of the database and Web communities to reconcile the unstructured nature of the World Wide Web with the neat, structured schemas of the database paradigm. Even though databases are currently used to generate Web content in some...

Semantic content-based recommendation of software services using context
Liwei Liu, Freddy Lecue, Nikolay Mehandjiev
Article No.: 17
DOI: 10.1145/2516633.2516639

The current proliferation of software services means users should be supported when selecting one service out of the many which meet their needs. Recommender Systems provide such support for selecting products and conventional services, yet their...