1352 search results - page 46 / 271 » Towards Characterizing Visualizations |
WEBDB
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...
ATAL
2005
Springer
14 years 1 months ago
2005
Springer
There is a growing need for a theory of “local to global” in distributed multi-agent systems, one which is able systematically to describe and analyze a variety of problems. T...
PODS
1993
ACM
14 years 11 days ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
CONNECTION
2002
13 years 8 months ago
2002
We present a model of absolute autonomy and power in agent systems. This absolute sense of autonomy captures the agent's liberty over an agent's preferences. Our model ch...
NDQA
2003
13 years 9 months ago
2003
Growth in government investment, academic research, and commercial question answering (QA) systems is motivating a need for increased planning and coordination. The internationali...