Tài liệu Báo cáo khoa học: "Target-dependent Twitter Sentiment Classification" pptx
Tài liệu Báo cáo khoa học: "Subjectivity and Sentiment Analysis of Modern Standard Arabic" doc
... Mubarak, the hateful dictator, stepped down).
Subjective text is further classified with sentiment or
polarity. For sentiment classification, the task refers
to identifying whether the subjective text ... sentence-level sys-
tem that, given a topic detects sentiment towards it.
Our approach differs from both (2003) and Kim &
Hovy (2004) in that we do not detect sentiment to-
ward sp...
Tài liệu Báo cáo khoa học: "MemeTube: A Sentiment-based Audiovisual System for Analyzing and Displaying Microblog Messages" pdf
... based on keyword matching.
Then sentiment analysis is applied to determine the
sentiment of the posts. Next a piece of music is
composed to reflect the detected sentiments. Final-
ly, the messages ... Summary of related works that
detect sentiments in microblogs.
3 Sentiment Analysis of Microblog Posts
First, we develop a classification model as our
basic sentiment recognition m...
Tài liệu Báo cáo khoa học: "Target-dependent Twitter Sentiment Classification" pptx
... such cases by
looking at the output of Twitter Sentiment or other
Twitter sentiment analysis web sites. Based on our
manual evaluation of Twitter Sentiment output,
about 40% of errors are because ... years, Twitter has become very popu-
lar. According to the latest Twitter entry in Wik-
ipedia, the number of Twitter users has climbed to
190 million and the number of twee...
Tài liệu Báo cáo khoa học: "Part-of-Speech Tagging for Twitter: Annotation, Features, and Experiments" pdf
... designed especially for Twitter data. Our con-
tributions are as follows:
• we developed a POS tagset for Twitter,
• we manually tagged 1,827 tweets,
• we developed features for Twitter POS tagging
and ... ad-
dresses; emoticons; Twitter hashtags, of the form
#tagname, which the author may supply to catego-
rize a tweet; and Twitter at-mentions, of the form
@user, which link to othe...
Tài liệu Báo cáo khoa học: "Identifying Sarcasm in Twitter: A Closer Look" docx
... used a
Twitter API to collect tweets that include hashtags
that express sarcasm (#sarcasm, #sarcastic), direct
positive sentiment (e.g., #happy, #joy, #lucky), and
direct negative sentiment ...
platforms such as Twitter, which allow users to
communicate feelings, opinions and ideas in short
messages and to assign labels to their own messag-
es, have been recently exploited in se...