KDD Cup 2013: Author-Paper Identification<\/strong><\/p>\n The KDD Cup 2013 started! This project is advised by Prof. Guocan Feng and supported by\u00a0Guangdong Province Key Laboratory of Computational Science<\/a>\u00a0.<\/p>\n See the\u00a0github page<\/a>\u00a0for more details (raw codes). The\u00a0submitted model<\/a>\u00a0was packed by\u00a0Xuening Zhu<\/a>.<\/p>\n <\/p>\n B.S. Thesis: Compressed Sensing and Related Learning Problems<\/strong><\/p>\n Compressed sensing is among the emerging studies in computational science. Machine learning people also focus on this topic and are interested in the learning from sparsity. This thesis provided an overview of recent studies in CS and related ML topics, incl. math theories and proofs, fast BP algorithms, as well as the dictionary learning. My thesis supervisor is Prof.\u00a0Haizhang Zhang<\/a>.<\/p>\n This thesis was awarded \"Best B.S. Thesis\" after defence. [pdf<\/a>] [slides<\/a>]<\/p>\n <\/p>\n 'SYSU Street View' - Panorama of Yixian Road in SYSU<\/strong><\/p>\n Sun Yat-Sen University, one of the 'Ten Univ. of Best Sight Campus', has a forest-like campus. We enjoy taking a deep breath when walking along the Yixian Road aligned with trees. We're proud of our beautiful campus and glad to share our feeling with you. So my friend who majored in Designing and I took photos of the Yixian Road manually, and work hard for auto image stitching to develop street-view-like panorama.<\/p>\n Course paper (Chinese)\u00a0[pdf<\/a>] \u00a0 demo [tar.gz<\/a>] \u00a0 interface code [py<\/a>]<\/p>\n <\/p>\n KDD Cup 2012 Track 1: A\u00a0Hybrid Recommender System of Tencent Microblog<\/strong><\/p>\n Precise recommendations in social networks present opportunities for novel machine learning. Our work described a recommender system of micro blog, which mined topics from messages of users by applying association rules and by combining collaborative and content-based filtering to discover their preferences. We selected and rated items according to the interests of users, as reflected by the topics in the messages. The results indicated a strong relationship between user interests and their acceptance on a given item. Several limitations of our system have led to future research. The revision of topic extraction is related to NLP studies. The analysis of sequential data, data pre-processing, and advanced item pre-selection are other probable extensions.<\/p>\n paper pre-print [arXiv<\/a>] \u00a0 MLSS posters [ucsc<\/a>\/kyoto<\/a>] \u00a0 project review [pdf<\/a>] code [demo<\/a>]<\/p>\n <\/p>\n Predicting Diameters of Electrospinning Products<\/strong><\/p>\n Electrospinning<\/a>\u00a0uses an electrical charge to draw very fine (typically on the micro or nano scale)\u00a0fibers\/balls\/mixed products\u00a0from a liquid .\u00a0This work focused on simulating ambient influence on the size of electro-spinning products. We collected the data on product diameters as well as on molecular weight, solution concentration, electric potential, and on the distance between the capillary and the collection screen. By directly applying the RBF network model to the raw data that result in inaccuracy, we performed data pre-processing by fuzzy c-means clustering.<\/p>\n report & code [tar.gz<\/a>] \u00a0\u00a0products pics [pic1<\/a>\/pic2<\/a>]<\/p>\n <\/p>\n Citi Cup 2011: Bank Customers Rating System Based On Expert System and ANN<\/strong><\/p>\n The precise rating of customers has a decisive impact on loan business. We constructed the BP network, which requires financial statements as the input and predicted ratings that range from A to AAA. To make flexible prediction, we developed another fuzzy expert system, which requested the analyst to answer raised questions. Finally, we combined these two models and provided a final rating by trade-off.<\/p>\n Project review [pdf<\/a>] \u00a0 matlab code [tar.gz<\/a>] \u00a0 software (Chinese Version)\u00a0[tar.gz<\/a>] \u00a0 development document [pdf<\/a>]<\/p>\n (To avoid legal problems, I omitted the name of the companies when packing the tar.gz file.)<\/p>\n <\/p>\n A Brief Talk about the Relationship between Python and Linux [pdf<\/a>] (in Chinese)<\/p>\n Fraction and Chaos [pdf<\/a>] (in Chinese)<\/p>\n 2012 MCM - \u00a0Designing the\u00a0Optimal Schedule of\u00a0the White Water\u00a0Rafting [pdf<\/a>]<\/p>\n Hanoi - developed by the\u00a0assembly language [demo<\/a>]<\/p>\n <\/p>\n Print works<\/strong><\/p>\n Yingzhen Li<\/strong>\u00a0and Ye Zhang.\u00a0Generating Ordered List of Recommended Items: a Hybrid Recommender System of Microblog.<\/em> Technical report (KDD Cup 2012)<\/em> [arXiv<\/a>] [kaggle<\/a>]<\/p>\n Yingzhen Li <\/strong>and Ye Zhang. Generating Ordered List of Recommended Items: a Hybrid Recommender System of Microblog.<\/em>\u00a021st Machine Learning Summer School - Kyoto University, Sept 2012.\u00a0<\/em>[poster<\/a>]<\/p>\n Yingzhen Li <\/strong>and Ye Zhang. Generating Ordered List of Recommended Items: a Hybrid Recommender System of Microblog.<\/em>\u00a020st Machine Learning Summer School - University of California, Santa Cruz, July 2012.\u00a0<\/em>[poster<\/a>]<\/p>\n Naiben Huang, Yingzhen Li<\/strong> and Haobo Xia. Student Seminar of Neutrino Science and Time Travel, Sun Yat-sen University, Oct 2011<\/em>\u00a0[abstract<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":" Projects related to machine learning & data mining KDD Cup 2013: Author-Paper Identification The KDD Cup 2013 started! This project is advised by Prof. Guocan Feng and supported by\u00a0Guangdong Province Key Laboratory of Computational Science\u00a0. See the\u00a0github page\u00a0for more details (raw codes). The\u00a0submitted model\u00a0was packed by\u00a0Xuening Zhu. B.S. Thesis: Compressed Sensing and Related Learning ... [Read more...]<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["entry","page","publish","author-admin","post-534"],"_links":{"self":[{"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=\/wp\/v2\/pages\/534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=534"}],"version-history":[{"count":12,"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=\/wp\/v2\/pages\/534\/revisions"}],"predecessor-version":[{"id":890,"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=\/wp\/v2\/pages\/534\/revisions\/890"}],"wp:attachment":[{"href":"https:\/\/yingzhenli.net\/home\/en\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Other Works<\/h6>\n