Blognoon: exploring a topic in the blogosphere
Proceedings of the 20th international conference companion on World wide web
Active objects: actions for entity-centric search
Proceedings of the 21st international conference on World Wide Web
Updating users about time critical events
ECIR'13 Proceedings of the 35th European conference on Advances in Information Retrieval
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We investigate the automatic generation of topic pages as an alternative to the current Web search paradigm. Topic pages explicitly aggregate information across documents, filter redundancy, and promote diversity of topical aspects. We propose a novel framework for building rich topical aspect models and selecting diverse information from the Web. In particular, we use Web search logs to build aspect models with various degrees of specificity, and then employ these aspect models as input to a sentence selection method that identifies relevant and non-redundant sentences from the Web. Automatic and manual evaluations on biographical topics show that topic pages built by our system compare favorably to regular Web search results and to MDS-style summaries of the Web results on all metrics employed.