Nastr-ud-Din-i-Tüsi ve Meraga Rasathanesi

ON DESIGNS CONSTRUCTED FROM HADAMARD MATRICES SHOAIB UD DIN and V. C. MAVRON

There is a well-known correspondence between symmetric 2-(4ju— 1,2/z — 1,/z — 1) designs and Hadamard matrices of order 4^. It is not so well known that there is a natural correspondence between Hadamard matrices of order 2\x and affine l-(4ju, 2^, 2(i) designs whose duals are also affine. Such a design is denoted by H^fi) in this paper. Under this natural correspondence, two H^fi) designs are ...

Din din! The (Semantic) Turkey is served!

From its first introduction in this same conference, the original prototype of the Semantic Bookmarking tool Semantic Turkey has undergone a deep and extensive revision process, breaking the boundaries of its original intents and going more and more towards an extensible platform for Knowledge Management and Acquisition based on Semantic Web technologies. Following its recent official release, ...

Growing UD With Television

Previous research concerning the effects of television on children has tended to focus upon the learning of social behaviors and attitudes (2,4,5). That children’s age-related cognitive limitations would affect their perceptions of television programming and presumably mediate learning seems evident, yet this area is only now coming under frequent discussion. The purpose of this study was to ex...

Acta Ps You I at Ric* a Scan Din Av I C'a

UD Co-Spaces

UD Co-Spaces (Urban Design Collaborative Spaces) is an integrated, tabletop-centered multi-display environment for engaging the public in the complex process of collaborative urban design. We describe the iterative user-centered process that we followed over six years through a close interdisciplinary collaboration involving experts in urban design and neighbourhood planning. Versions of UD Co-...