This paper describes cell phone text messaging during the 2004 US Democratic and Republican National Conventions by protesters using TXTmob ? a text-message broadcast system devel...
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Ya...
A k-set structure over data streams is a bounded-space data structure that supports stream insertion and deletion operations and returns the set of (item, frequency) pairs in the s...
Abstract. To better coordinate information displays with moving people and the environment, software must know the locations and three dimensional alignments of the display hardwar...
This paper investigates how graphically displayed intelligent virtual actors, mobile devices and innovative interaction modalities can support and enhance educational role-play as ...
Mei Yii Lim, Ruth Aylett, Sibylle Enz, Michael Kri...