James Lanagan

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In this paper we examine the effectiveness of using a filtered stream of tweets from Twitter to automatically identify events of interest within the video of live sports transmissions. We show that using just the volume of tweets generated at any moment of a game actually provides a very accurate means of event detection, as well as an automatic method for(More)
This paper begins by considering a number of important design questions for a large-scale, widely available, multimedia test collection intended to support long-term scientific evaluation and comparison of content-based video analysis and exploitation systems. While the collection presented here is not quite web-scale, it is to our knowledge the largest(More)
Technology usage is changing rapidly and is becoming a more mobile, more social and more multimedia-based experience. This is especially true in the area of content creation where mobile social applications used by crowds of people are challenging traditional ways of creating and distributing content, especially for applications like news dissemination.(More)
For the first year of the TREC Microblog Track the CLARITY group concentrated on a number of areas, investigating the underlying term weighting scheme for ranking tweets, incorporating query expansion to introduce new terms into the query, as well as introducing an element of temporal re-weighting based on the temporal distribution of assumed relevant(More)
The automatic summarisation of sports video is of growing importance with the increased availability of on-demand content. Consumers who are unable to view events live often have a desire to watch a summary which allows then to quickly come to terms with all that has happened during a sporting event. Sports forums show that it is not only summaries that are(More)
The use of effective term frequency weighting and document length normalisation strategies have been shown over a number of decades to have a significant positive effect for document retrieval. When dealing with much shorter documents, such as those obtained from microblogs, it would seem intuitive that these would have less benefit. In this paper we(More)
  • Mitra Akasereth, Mitra Akaseth, +89 authors Olena Zub
  • 2011
Mitra Akasereth Mitra Akaseth Abdulmohsen Algarni Xiangdong An Cristina Baroglio Georgeta Bordea Réda Bouadjenek Tianyu Cao Sylvie Cazalens samaneh chagheri Wing Kwan Chan Jun Ming Chen Smitashree Choudhury Ying Cui Wenkui Ding Fabien Duchateau Elöd Egyed-Zsigmond Yulei Fan Andre Freitas Zhenmei Gu Rim Helaoui Lei Hou Sharon Hsiao Fu-MIng Huang Xin Huang(More)