RP-Index: Reverse Path Index for XML Data. - Umaporn Supasitthimethee; Kriengkrai Porkaew (IMECS, 2007)

XSemantic: An Extension of LCA Based XML Semantic Search. - Umaporn Supasitthimethee; Toshiyuki Shimizu; Masatoshi Yoshikawa; Kriengkrai Porkaew (IEICE Trans. Inf. Syst., 2009)

A Generalized Model for Internet-Based Access Control Systems with Delegation Support. - Utharn Buranasaksee; Kriengkrai Porkaew; Umaporn Supasitthimethee (QSHINE, 2013)

AccAuth: Accounting system for OAuth protocol. - Utharn Buranasaksee; Kriengkrai Porkaew; Umaporn Supasitthimethee (ICADIWT, 2014)

Ticket model: a generalised model for internet-based three-party authorisation systems. - Utharn Buranasaksee; Kriengkrai Porkaew; Umaporn Supasitthimethee (Int. J. Internet Protoc. Technol., 2014)

Social network user identification. - Laikhram Jamjuntra; Pantakan Chartsuwan; Peerapong Wonglimsamut; Kriengkrai Porkaew; Umaporn Supasitthimethee (KST, 2017)