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SIGIR 2008 Yandong Liu, Jiang Bian, Eugene Agichtein from Emory & Georgia Tech University.
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Transcript of SIGIR 2008 Yandong Liu, Jiang Bian, Eugene Agichtein from Emory & Georgia Tech University.
Predicting information seeker satisfaction incommunity question answering
SIGIR 2008
Yandong Liu, Jiang Bian, Eugene Agichtein from Emory & Georgia Tech University
DefinitionAn asker in a CQAis considered satisfied iff:
The asker personally has closed the question, selected the best answer, and provided a rating of at least 3 stars for best answer quality.
DefinitionThe Asker Satisfaction Problem:
Given a question submitted by an asker is CQA, predict whether the user will be satisfied with the answers contributed by the community.
Features
Question Question-Answer Relationship Asker User History Answerer User History Category Features Textual Features
Setting
Methods Human Heuristic Baseline
Evaluation Metrics Precision Recall F1 Accuracy
ASP ASP_SVM ASP_RandomForest ASP_C4.5 ASP_Boosting ASP_NaiveBayes