Introduction to ReviewMiner Hongning Wang Department of Computer Science University of Illinois at Urbana-Champaign wang296@Illinois.edu Introduction • ReviewMiner system is developed based on the work of “Latent Aspect Rating Analysis” published in KDD’10 and KDD’11 • Hongning Wang, Yue Lu and Chengxiang Zhai. Latent Aspect Rating Analysis on Review Text Data: A Rating Regression Approach. The 16th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'2010), p783-792, 2010. • Hongning Wang, Yue Lu and ChengXiang Zhai. Latent Aspect Rating Analysis without Aspect Keyword Supervision. The 17th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'2011), P618-626, 2011. http://timan100.cs.uiuc.edu:8080/ReviewMiner Latent Aspect Rating Analysis Aspect Segmentation Reviews + overall ratings + Latent Rating Regression Aspect segments Term Weights location:1 amazing:1 walk:1 anywhere:1 0.0 2.9 0.1 0.9 0.1 1.7 0.1 3.9 2.1 1.2 1.7 2.2 0.6 room:1 nicely:1 appointed:1 comfortable:1 nice:1 accommodating:1 smile:1 friendliness:1 attentiveness:1 Boot-stripping method http://timan100.cs.uiuc.edu:8080/ReviewMiner Aspect Rating Aspect Weight 3.9 0.2 4.8 0.2 5.8 0.6 Latent! Functionalities • Keyword-based item retrieval • E.g., search hotels by name, location, brand • Aspect-based review analysis • Segment review content into aspects • Predict aspect ratings based on overall ratings and review text content • Infer latent aspect weights the reviewer has put over the aspects when generating the review content • Aspect-based item comparison • Predicted aspect rating/weight based quantitative comparison • Text content based qualitative comparsion http://timan100.cs.uiuc.edu:8080/ReviewMiner A search-oriented interface User registration and profile panel Search vertical selection panel Search box (keyword queries) Trending searches http://timan100.cs.uiuc.edu:8080/ReviewMiner Search result page Search box (keyword queries) Aspect-weight based user profile Spatial result display Personalized recommendation results Search result list http://timan100.cs.uiuc.edu:8080/ReviewMiner Highlight, compare and find similar items Supported analysis functions: compare and find similar items regarding to user’s selection Aspect highlights of the selected item http://timan100.cs.uiuc.edu:8080/ReviewMiner Review analysis page Aspect-based item highlights Review meta-info: reviewers, date, aspect ratings Aspect-segmented review content Helpfulness vote http://timan100.cs.uiuc.edu:8080/ReviewMiner Aspect-based opinion summarization Analysis type selection: text summary v.s. graphical chart summary. Text summary of aspects http://timan100.cs.uiuc.edu:8080/ReviewMiner Aspect-based review analysis Analysis type selection: aspect ratings, aspect weights, aspect mentions and aspect summarization. Analysis result display panel (move mouse over the chart to find the text highlights) http://timan100.cs.uiuc.edu:8080/ReviewMiner Aspect-based item comparison Analysis type selection: aspect ratings, aspect weights, aspect mentions and aspect summarization. Aspect selection panel Analysis result display panel (move mouse over the chart to find the text highlights) http://timan100.cs.uiuc.edu:8080/ReviewMiner Comments • More search verticals to be added • Our solution of LARA is general and can be easily extended to multiple domains • Restaurant reviews from Yelp.com and electric product reviews from amazon.com will be included soon • Your valuable comments and suggestions • Feel free to send them to wang296@Illinois.edu • I am looking forward to further discussions and collaborations http://timan100.cs.uiuc.edu:8080/ReviewMiner