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I work for Department of Computer Science, Faculty of Informatics, Mahasarakham University, in Thailand. My responsibilities include:

Intellect Laboratory Coordinator:

Setting up and maintaining the Virtual Laboratory of Intelligent Techniques for Knowledge Discovery and Information Retrieval (INTELLECT) at Faculty of Informatics, Mahasarakham University, Thailand. The research areas of the lab includes: Data mining and knowledge discovery, Information Retrieval and Extraction, Natural Language Processing, Machine Learning approached, Business Intelligence, Image Processing, and Digital image Watermarking.

Researches:

"Automated ID for Digital Image Watermarking", Supported by Faculty of Informatics, Mahasarakham University, Thailand. 2004.

"Automatics Thai Text Classification Using Support Vector Machines", Supported by Mahasarakham University, Thailand. 2005.

"Automatic Obscenity Web Filtering System", Supported by National Electronics and Computer Technology Center (NECTEC), Thailand. 2004 - 2006.

"Teaching Assessment by Sentiment Classification", Supported by Mahasarakham University, Thailand. 2006.

Publications:

[1]	R. Thienmongkol & J. Polpinij (2007) An Effectiveness of Data Mining to Study the Factors of e-Commerce Web Sites Attracting Customer's Critical Decision. The International Conference on e-Commerce. Algrave, Protugal.
[2]	J. Polpinij & R. Thienmongkol (2007) A Study of Some Factors Affecting e-Advertising Development. The 6th International Conference on e-Business (INCEB2007). Bangkok, Thaland.
[3]	J. Polpinij (2007) E-commerce Webpage Summarization by Using Statistical Similarity Measures. The 6th International Conference on e-Business (INCEB2007). Bangkok, Thaland.
[4]	J. Polpinij, C. Sibunruang, A. Chotthanom, R. Chamchong, & S. Puangpronpitag (2006) Content-Based Pornographic Web Filtering by Support vector Machine Text Classifier. The International Conference on Multidisciplinary Information Sciences and Technologies. Marida, Spain.
[5]	C. Sibunruang, J. Polpinij, R. Chamchong, A. Chotthanom & S. Puangpronpitag (2006) A Pornographic Web Patrol System Based-on Hierarchical Image Filtering Techniques. 7th International Conference on Computer Vision, Pattern Recognition and Image Processing, in Proceedings of the 2006 Joint Conference on Information Sciences, Kaohsiung, Taiwan.
[6]	J. Polpinij, A. Chotthanom, C. Sibunruang, R. Chamchong, & S. Puangpronpitag (2006) Content-Based Text Classifiers for Pornographic Web Filtering. IEEE International Conference on Systems, Man and Cybernetics (ICSMC), Taiwan.
[7]	J. Polpinij (2006) An Effective Sentiment Rating Prediction Using Machine Learning Techniques. The 1st World Congress on the Power of Language: Theory, Practice, and Development. Queen Sirikit National Convention Center, Bangkok, Thailand.
[8]	J. Polpinij, S. Puangpronpitag, C. Sibunruang, R. Chamchong & A. Chotthanom (2005) An Effective Pornographic Web Filtering System Using a Probabilistic Classifier. Proceeding of the Joint International of Computer Conference (JICC). Chongqing, China.
[9]	J. Polpinij (2005) Digital Image Verification Using Spatial Domain Watermarking. The 31th Congress on Science and Technology of Thailand. Suranaree University of Technology. Thailand.
[10]	J. Polpinij, C. Sibunruang, R. Chamchong, S. Puangpronpitag & A. Chotthanom (2005) Content-based Probabilistic Text Classifier for Pornographic Web Filtering. NSTDA Annual Conference. Thailand.
[11]	J. Polpinij (2005) Thai Text Summarization by Paragraph Extraction. Proceeding of International Conference on Asian Language Processing and Information Technology (ALPIT). Bangkok,Thailand.
[12]	J. Polpinij, S. Puangpronpitag, C. Sibunruang, R. Chamchong & A. Chotthanom (2005) Thai Text Classification by Support Vector Machine. Proceeding of International Conference on Asian Language Processing and Information Technology (ALPIT). Bangkok, Thailand.
[13]	J. Polpinij & P. Chompoowised (2004) Automated ID for Digital Image Watermark Verification. The 8th National Computer Science and Engineering Conference (NCSEC). Hat Yai, Thailand.
[14]	J. Polpinij. Automotive Market Segmentation by Machine Learning (2004) The IASTED International Conference on Artificial Intelligence and Applications (AIA). Innsbruck, Austria.
[15]	V. Anantamettamkul, S. Sitawan & J. Polpinij (2003) Automotive Market Segmentation by ANNs. The 4th International Conference on Intelligent Technologies (InTect). Chiang Mai, Thailand.
[16]	J. Polpinij, C. Jaruskulchai & P. Haddawy (2002) The Factors Affect to Automobile Insurance Risk in Thailand Analyzed By Bayesian Network, The 3rd International Conference on Intelligent Technologies (InTech), Hanoi, Vietnam.
[17]	J. Polpinij, C. Jaruskulchai & P. Haddawy (2002) A Bayesian Classification Approach to Personal Automotive Marketing Analysis. The 17th International Conference on Computer and Their Application (CATA). San Francisco, USA.
[18]	J. Polpinij, C. Jaruskulchai & P. Haddawy (2001) A Probabilistic Analysis of Factors Affecting Consumer Purchase of Insurance Policies. The 2nd International Conference on Intelligent Technologies (InTech). Thailand.