47 search results - page 9 / 10 » A relevance-based topic model for news event tracking |
CIVR
2007
Springer
14 years 2 months ago
2007
Springer
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
In this paper we study the problem of finding most topical named entities among all entities in a document, which we refer to as focused named entity recognition. We show that th...
LREC
2008
13 years 10 months ago
2008
News articles about the same event published over time have properties that challenge NLP and IR applications. A cluster of such texts typically exhibits instances of paraphrase a...
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
Named entity recognition is important for semantically oriented retrieval tasks, such as question answering, entity retrieval, biomedical retrieval, trend detection, and event and...
EMNLP
2008
13 years 10 months ago
2008
Having seen a news title "Alba denies wedding reports", how do we infer that it is primarily about Jessica Alba, rather than about weddings or reports? We probably reali...