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ACM Transactions on the Web (TWEB), Volume 10 Issue 3, August 2016

Scalable and Efficient Web Search Result Diversification
Kaweh Djafari Naini, Ismail Sengor Altingovde, Wolf Siberski
Article No.: 15
DOI: 10.1145/2907948

It has been shown that top-k retrieval quality can be considerably improved by taking not only relevance but also diversity into account. However, currently proposed diversification approaches have not put much attention on practical...

PeaCE-Ful Web Event Extraction and Processing as Bitemporal Mutable Events
Tim Furche, Giovanni Grasso, Michael Huemer, Christian Schallhart, Michael Schrefl
Article No.: 16
DOI: 10.1145/2911989

The web is the largest bulletin board of the world. Events of all types, from flight arrivals to business meetings, are announced on this board. Tracking and reacting to such event announcements, however, is a tedious manual task, only slightly...

A Large-Scale Evaluation of U.S. Financial Institutions’ Standardized Privacy Notices
Lorrie Faith Cranor, Pedro Giovanni Leon, Blase Ur
Article No.: 17
DOI: 10.1145/2911988

Financial institutions in the United States are required by the Gramm-Leach-Bliley Act to provide annual privacy notices. In 2009, eight federal agencies jointly released a model privacy form for these disclosures. While the use of this model...

A Comprehensive Survey and Classification of Approaches for Community Question Answering
Ivan Srba, Maria Bielikova
Article No.: 18
DOI: 10.1145/2934687

Community question-answering (CQA) systems, such as Yahoo! Answers or Stack Overflow, belong to a prominent group of successful and popular Web 2.0 applications, which are used every day by millions of users to find an answer on complex,...

Prediction and Predictability for Search Query Acceleration
Seung-Won Hwang, Saehoon Kim, Yuxiong He, Sameh Elnikety, Seungjin Choi
Article No.: 19
DOI: 10.1145/2943784

A commercial web search engine shards its index among many servers, and therefore the response time of a search query is dominated by the slowest server that processes the query. Prior approaches target improving responsiveness by reducing the...