METAPOST is able to produce figures that look almost like ray-traced raster images but that remain vector-based. A small review of three-dimensional perspective implementations w...
Abstract. Privacy presents many puzzles. In particular, why is it eroding, given the high value people assign to their privacy? This extended argues that there are strong incentive...
Abstract. Micropayments are likely to continue disappointing their advocates. They are an interesting technology. However, there are many non-technological reasons why they will ta...
A method for remote user authentication is proposed that requires only public information to be stored at the verifying host. Like the S/KEY scheme, the new technique uses only sym...
We outline DL-Media, an ontology mediated multimedia information retrieval system, which combines logic-based retrieval with multimedia featurebased similarity retrieval. An ontolo...