First section

Front cover
Naresuan University Journal: Science and Technology
Editorial Board
Naresuan University Journal: Science and Technology
Content
Naresuan University Journal: Science and Technology
Editorial Note
Naresuan University Journal: Science and Technology

Research Articles

Factors Predicting Length of Hospital Stay among Patients with Open-Heart Surgery
Ratchanee Piwpong, Supaporn Kongprom, Nantaka Suksumitr, Vanida Durongrittichai

21-28

Dataspace Management with ETL and RDF Support
Marko Niinimaki, Tapio Niemi, Peter Thanisch

36-49

Office Environment Warning System
Jakkrit Sukserm, Parin Santisuk, Pornsak Srikaew, Sirikan Chucherd

75-90

Back side

Principles
Naresuan University Journal: Science and Technology
Back cover
Naresuan University Journal: Science and Technology