Instant messaging allows users to exchange presence and availability information, and to have spontaneous online conversations. We report on a study of account sharing in IM, and ...
Traditional benchmarking methods for information retrieval (IR) are based on experimental performance evaluation. Although the metrics precision and recall can measure the perform...
Dawei Song, Kam-Fai Wong, Peter Bruza, Chun Hung C...
We present a novel method for interactive retrieval of 3D shapes using physical objects. Our method is based on simple physical 3D interaction with a set of tangible blocks. As th...
Automatic capture technology could enable students to record and index much information—both digital and nondigital—with little extra effort. Can this technology be designed t...
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...