Scale-dependency in IP-based positioning of network clusters. - Jacob Delfos; Tele Tan; Bert Veenendaal (J. Locat. Based Serv., 2008)

Design of a Web-Based LBS Framework Addressing Usability, Cost, and Implementation Constraints. - Jacob Delfos; Tele Tan; Bert Veenendaal (World Wide Web, 2010)

Enhancing accessibility to web mapping systems with technology-aligned adaptive profiles. - Jacob Delfos; Bert Veenendaal; Tele Tan (Int. J. Digit. Earth, 2014)