2155 search results - page 331 / 431 » Computational Linguistics |
141
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ACL
2012
13 years 7 months ago
2012
In relation extraction, distant supervision seeks to extract relations between entities from text by using a knowledge base, such as Freebase, as a source of supervision. When a s...
150
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ACL
2012
13 years 7 months ago
2012
We propose a latent variable model to enhance historical analysis of large corpora. This work extends prior work in topic modelling by incorporating metadata, and the interactions...
175
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ACL
2012
13 years 7 months ago
2012
Extracting sentiment and topic lexicons is important for opinion mining. Previous works have showed that supervised learning methods are superior for this task. However, the perfo...
126
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ACL
2012
13 years 7 months ago
2012
We investigate the problem of ordering medical events in unstructured clinical narratives by learning to rank them based on their time of occurrence. We represent each medical eve...
145
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ACL
2012
13 years 7 months ago
2012
Social Event Radar is a new social networking-based service platform, that aim to alert as well as monitor any merchandise flaws, food-safety related issues, unexpected eruption o...