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Yijun Pei

dblp:183/0650 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2016
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Information extraction and text analysis · 50% Representation and self-supervised learning · 50%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Natural language and speech › Information extraction and text analysis
sentiment analysis
0.212016
SG++: Word Representation with Sentiment and Negation for Twitter Sentiment Classification · SIGIR 2016
Machine learning › Representation and self-supervised learning › word representation › word embedding
sentiment-aware word embedding
0.212016
SG++: Word Representation with Sentiment and Negation for Twitter Sentiment Classification · SIGIR 2016
Natural language and speech › Information extraction and text analysis › sentiment analysis › sentiment classification
twitter sentiment classification
0.212016
SG++: Word Representation with Sentiment and Negation for Twitter Sentiment Classification · SIGIR 2016
Machine learning › Representation and self-supervised learning
word representation
0.212016
SG++: Word Representation with Sentiment and Negation for Twitter Sentiment Classification · SIGIR 2016

Methods — techniques the papers use, named apart from their topics

softmax · 0.2skip-gram · 0.2
YearPublicationVenuePosition
2016 SG++: Word Representation with Sentiment and Negation for Twitter Sentiment Classification
abstract
Here we propose an advance Skip-gram model to incorporate both word sentiment and negation information. In particular, there is a a softmax layer for the word sentiment polarity upon the Skip-gram model. Then, two paralleled embedding layers are set up in the same embedding space, one for the affirmative context and the other for the negated context, followed by their loss functions. We evaluate our proposed model on the 2013 and 2014 SemEval data sets. The experimental results show that the proposed approach achieves better performance and learns higher dimensional word embedding informatively on the large-scale data.
Qinmin Hu, Yijun Pei, Qin Chen 0001, Liang He 0001
SIGIR2