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ACM Transactions on the Web (TWEB), Volume 4 Issue 4, September 2010

AjaxScope: A Platform for Remotely Monitoring the Client-Side Behavior of Web 2.0 Applications
Emre Kiciman, Benjamin Livshits
Article No.: 13
DOI: 10.1145/1841909.1841910

The rise of the software-as-a-service paradigm has led to the development of a new breed of sophisticated, interactive applications often called Web 2.0. While Web applications have become larger and more complex, Web application developers today...

Learning Deterministic Regular Expressions for the Inference of Schemas from XML Data
Geert Jan Bex, Wouter Gelade, Frank Neven, Stijn Vansummeren
Article No.: 14
DOI: 10.1145/1841909.1841911

Inferring an appropriate DTD or XML Schema Definition (XSD) for a given collection of XML documents essentially reduces to learning deterministic regular expressions from sets of positive example words. Unfortunately, there is no algorithm...

Mining Historic Query Trails to Label Long and Rare Search Engine Queries
Peter Bailey, Ryen W. White, Han Liu, Giridhar Kumaran
Article No.: 15
DOI: 10.1145/1841909.1841912

Web search engines can perform poorly for long queries (i.e., those containing four or more terms), in part because of their high level of query specificity. The automatic assignment of labels to long queries can capture aspects of a user’s...

Fast and Compact Web Graph Representations
Francisco Claude, Gonzalo Navarro
Article No.: 16
DOI: 10.1145/1841909.1841913

Compressed graph representations, in particular for Web graphs, have become an attractive research topic because of their applications in the manipulation of huge graphs in main memory. The state of the art is well represented by the...

Relating Reputation and Money in Online Markets
Ashwin Swaminathan, Renan G. Cattelan, Ydo Wexler, Cherian V. Mathew, Darko Kirovski
Article No.: 17
DOI: 10.1145/1841909.1841914

Reputation in online economic systems is typically quantified using counters that specify positive and negative feedback from past transactions and/or some form of transaction network analysis that aims to quantify the likelihood that a network...