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ACM Transactions on the Web (TWEB), Volume 8 Issue 1, December 2013

UsageQoS: Estimating the QoS of Web Services through Online User Communities
Xiaodi Huang
Article No.: 1
DOI: 10.1145/2532635

Services are an indispensable component in cloud computing. Web services are particularly important. As an increasing number of Web services provides equivalent functions, one common issue faced by users is the selection of the most appropriate...

Form-Based Web Service Composition for Domain Experts
Ingo Weber, Hye-Young Paik, Boualem Benatallah
Article No.: 2
DOI: 10.1145/2542168

In many cases, it is not cost effective to automate business processes which affect a small number of people and/or change frequently. We present a novel approach for enabling domain experts to model and deploy such processes from their respective...

Second Chance: A Hybrid Approach for Dynamic Result Caching and Prefetching in Search Engines
Rifat Ozcan, Ismail Sengor Altingovde, B. Barla Cambazoglu, Özgür Ulusoy
Article No.: 3
DOI: 10.1145/2536777

Web search engines are known to cache the results of previously issued queries. The stored results typically contain the document summaries and some data that is used to construct the final search result page returned to the user. An alternative...

Efficient Time-Stamped Event Sequence Anonymization
Reza Sherkat, Jing Li, Nikos Mamoulis
Article No.: 4
DOI: 10.1145/2532643

With the rapid growth of applications which generate timestamped sequences (click streams, GPS trajectories, RFID sequences), sequence anonymization has become an important problem, in that should such data be published or shared. Existing...

Control-Flow Patterns for Decentralized RESTful Service Composition
Jesus Bellido, Rosa Alarcón, Cesare Pautasso
Article No.: 5
DOI: 10.1145/2535911

The REST architectural style has attracted a lot of interest from industry due to the nonfunctional properties it contributes to Web-based solutions. SOAP/WSDL-based services, on the other hand, provide tools and methodologies that allow the...

Analyzing, Detecting, and Exploiting Sentiment in Web Queries
Sergiu Chelaru, Ismail Sengor Altingovde, Stefan Siersdorfer, Wolfgang Nejdl
Article No.: 6
DOI: 10.1145/2535525

The Web contains an increasing amount of biased and opinionated documents on politics, products, and polarizing events. In this article, we present an indepth analysis of Web search queries for controversial topics, focusing on query sentiment. To...