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Expert profile: Dr Robert Luk

[ ID = 0189 ] Dr Robert Luk 
Name Luk, Dr Robert
Job Title Associate Professor 
Organisation The Hong Kong Polytechnic University 
Address Department of Computing, The Hong Kong Polytechnic University, 
Postal Code  
City Hong Kong 
Country China 
Phone
Fax +852 2774 0842
Mobile
Email csrluk_(on)_comp.polyu.edu.hk [@ replaced for spam protection]
Organisation URL  
Personal URL  
Membership ACM, BCS, IEEE 
LanguagesEnglish
Specialism Web Applications 
PhotographDescription or CV
Robert Luk worked on English letter-to-phoneme conversion for his Ph.D. study. 
A novel extension of formal grammar was proposed and its statistical extension 
was also described. In the study,letter-phoneme correspondences were mined from 
a dictionary.

After returning to Hong Kong, Robert worked on natural language processing and was a lecturer/assistant professor in the City University of Hong Kong. Later, he moved to the Hong Kong Polytechnic University. A Cantonese text-to-speech system was developed, which was licensed to various organizations. He and his student worked on improving language models and robust speech recognition. Now, he is working on the application of wavelet transform for (linear) system identification.

In 2000, Robert was a visiting research scholar at UMASS where he developed a search engine that participated in TREC and NTCIR. PC-cluster versions of this search engine are also developed. It can be configured to for various queries and retrieval models, from natural language queries to Boolean queries, and from vector space models to probabilistic models. Now, Robert is developing a theory of information retrieval, its related models, its related evaluation modeling and interface design. Robert also specializes in fast dictionary lookup and he holds a patent in this area. The patented idea can be used in various applications, like searching dictionary entries for mobile devices and IP lookup problems.

Update your profile Last update: 2008-08-28 14:56:11   Visits since 28-08-2008: 2749

 

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