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ICWSM
2010
15 years 8 months ago
From Tweets to Polls: Linking Text Sentiment to Public Opinion Time Series
We connect measures of public opinion measured from polls with sentiment measured from text. We analyze several surveys on consumer confidence and political opinion over the 2008 ...
Brendan O'Connor, Ramnath Balasubramanyan, Bryan R...
EMNLP
2007
15 years 8 months ago
Experimental Evaluation of LTAG-Based Features for Semantic Role Labeling
In this technical report, we propose the use of Lexicalized Tree-Adjoining Grammar (LTAG) formalism as an important additional source of features for the Semantic Role Labeling (S...
Yudong Liu, Anoop Sarkar
HCI
2007
15 years 8 months ago
Learning by e-Learning: Breaking Down Barriers and Creating Opportunities for the Visually-Impaired
Today e-Learning is an important educational tool with multiple benefits. However, to be suitable for a large audience the learning objects, courses, and other forms of e-Learning ...
Barbara Leporini, Marina Buzzi
HCI
2007
15 years 8 months ago
Major HCI Challenges for Open Source Software Adoption and Development
The aim of the paper is to identify and discuss major challenges for OSS from an HCI perspective, so as to aid the adoption and development processes for end-users, developers and ...
Nikos Viorres, Papadopoulos Xenofon, Modestos Stav...
IJCAI
2007
15 years 8 months ago
Counting Complexity of Propositional Abduction
Abduction is an important method of non-monotonic reasoning with many applications in artificial intelligence and related topics. In this paper, we concentrate on propositional ab...
Miki Hermann, Reinhard Pichler