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ACM Transactions on the Web (TWEB), Volume 7 Issue 4, October 2013

Understanding latent interactions in online social networks
Jing Jiang, Christo Wilson, Xiao Wang, Wenpeng Sha, Peng Huang, Yafei Dai, Ben Y. Zhao
Article No.: 18
DOI: 10.1145/2517040

Popular online social networks (OSNs) like Facebook and Twitter are changing the way users communicate and interact with the Internet. A deep understanding of user interactions in OSNs can provide important insights into questions of human social...

A bottom-up, knowledge-aware approach to integrating and querying web data services
Silvia Quarteroni, Marco Brambilla, Stefano Ceri
Article No.: 19
DOI: 10.1145/2493536

As a wealth of data services is becoming available on the Web, building and querying Web applications that effectively integrate their content is increasingly important. However, schema integration and ontology matching with the aim of registering...

Web browsing behavior analysis and interactive hypervideo
Luis A. Leiva, Roberto Vivó
Article No.: 20
DOI: 10.1145/2529995.2529996

Processing data on any sort of user interaction is well known to be cumbersome and mostly time consuming. In order to assist researchers in easily inspecting fine-grained browsing data, current tools usually display user interactions as mouse...

Robust detection of semi-structured web records using a DOM structure-knowledge-driven model
Lidong Bing, Wai Lam, Tak-Lam Wong
Article No.: 21
DOI: 10.1145/2508434

Web data record extraction aims at extracting a set of similar object records from a single webpage. These records have similar attributes or fields and are presented with a regular format in a coherent region of the page. To tackle this problem,...

A vlHMM approach to context-aware search
Zhen Liao, Daxin Jiang, Jian Pei, Yalou Huang, Enhong Chen, Huanhuan Cao, Hang Li
Article No.: 22
DOI: 10.1145/2490255

Capturing the context of a user's query from the previous queries and clicks in the same session leads to a better understanding of the user's information need. A context-aware approach to document reranking, URL recommendation, and query...

Captions and biases in diagnostic search
Ryen W. White, Eric Horvitz
Article No.: 23
DOI: 10.1145/2486040

People frequently turn to the Web with the goal of diagnosing medical symptoms. Studies have shown that diagnostic search can often lead to anxiety about the possibility that symptoms are explained by the presence of rare, serious medical...

Semantic contextual advertising based on the open directory project
Jung-Hyun Lee, Jongwoo Ha, Jin-Yong Jung, Sangkeun Lee
Article No.: 24
DOI: 10.1145/2529995.2529997

Contextual advertising seeks to place relevant textual ads within the content of generic webpages. In this article, we explore a novel semantic approach to contextual advertising. This consists of three tasks: (1) building a well-organized...