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Linas Bukauskas developed the current WWW interface. He developed the tree structure that allows to easily browse the book shelf and he added facicilites for loading and storing books. Renato Busatto worked on various aspects of Tiger including the formalization of bitemporal operations and the implementation of NOW. Thomas Rask Thomsen designed and developed an initial applet. He designed an interface for integrating external modules into Tiger, including an example module for coalescing. Christina Zennaro developed a first interface to the world wide web.

Robert Marti supervised and contributed to the development of ChronoLog, a temporal deductive database system that provided valuable input to Tiger and ATSQL. ChronoLog was developed as part of a PhD thesis at ETH Zürich. Hans-Jörg Schek co-advised the thesis.

Rick Snodgrass contributed to the design of ATSQL. He was the principal investigator of several change proposals submitted to the SQL3 standardization committee. The change proposals incorporate many of ATSQL's language features.

Christian Jensen contributed to the design of ATSQL and generalizations thereof. He actively supported the development of Tiger.

This research was supported in part by the Danish Technical Research Council through grant 9700780 and the Swiss National foundation.