ChengXiang Zhai is a Professor of Computer Science
and Willett Faculty Scholar at the University of Illinois at
Urbana-Champaign, where he is also affiliated with the Graduate
School of Library and Information Science, Institute for Genomic
Biology, and Department of Statistics. He received a Ph.D. in
Computer Science from Nanjing University in 1990, and a Ph.D. in
Language and Information Technologies from Carnegie Mellon
University in 2002. He worked at Clairvoyance Corp. as a Research
Scientist and then Senior Research Scientist from 1997-2000. His
research interests include information retrieval, text mining,
natural language processing, machine learning, biomedical and
health informatics, and intelligent education information systems.
He has published over 200 research papers in major conferences and
journals. He served as an Associate Editor for Information
Processing and Management, as an Associate Editor of ACM
Transactions on Information Systems, and on the editorial board of
Information Retrieval Journal. He was a conference program co-chair
of ACM CIKM 2004, NAACL HLT 2007, ACM SIGIR 2009, ECIR 2014, ICTIR
2015, and WWW 2015, and conference general co-chair for ACM CIKM
2016. He is an ACM Distinguished Scientist and a recipient of
multiple awards, including the ACM SIGIR 2004 Best Paper Award, the
ACM SIGIR 2014 Test of Time Paper Award, Alfred P. Sloan Research
Fellowship, IBM Faculty Award, HP Innovation Research Program
Award, Microsoft Beyond Search Research Award, and the Presidential
Early Career Award for Scientists and Engineers (PECASE).
Sean Massung is a Ph.D. candidate in computer
science at the University of Illinois at Urbana-Champaign, where he
also received both his B.S. and M.S. degrees. He is a co-founder of
META and uses it in all of his research. He has been instructor for
CS 225: Data Structures and Programming Principles, CS 410: Text
Information Systems, and CS 591txt: Text Mining Seminar. He is
included in the 2014 List of Teachers Ranked as Excellent at the
University of Illinois and has received an Outstanding Teaching
Assistant Award and CS@Illinois Outstanding Research Project Award.
He has given talks at Jump Labs Champaign and at UIUC for Data and
Information Systems Seminar, Intro to Big Data, and Teaching
Assistant Seminar. His research interests include text mining
applications in information retrieval, natural language processing,
and education.
"...advanced undergraduate students might find this book to be a valuable reference for getting acquainted with both information retrieval and text mining in a single volume, a worthwhile achievement for a 500-page textbook." - Fernando Berzal for ACM Computing Reviews
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