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» A Geometrically Enhanced Conceptual Model and Query Language
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DEXAW
2000
IEEE
92views Database» more  DEXAW 2000»
14 years 2 days ago
Consistent Queries over Cardinal Directions across Different Levels of Detail
Current models for cardinal directions, such as north and northeast, are either point-based or region-based, but no models exist that apply equally, independent of the geometric d...
Roop K. Goyal, Max J. Egenhofer
PERVASIVE
2005
Springer
14 years 1 months ago
A Conceptual Framework for Camera Phone-Based Interaction Techniques
This paper proposes and evaluates interaction techniques for camera-equipped mobile phones. The proposed techniques are based on a visual code system that provides a number of orie...
Michael Rohs, Philipp Zweifel
ESWS
2008
Springer
13 years 9 months ago
Viewing and Querying Topic Maps in terms of RDF
Both Topic Maps and RDF are popular semantic web standards designed for machine processing of web documents. Since these representations were originally created for different purpo...
Silvia Stefanova, Tore Risch
AMW
2010
13 years 9 months ago
Generating XML/GML Schemas from Geographic Conceptual Schemas
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
André C. Hora, Clodoveu A. Davis Jr., Mirel...
SBBD
2004
133views Database» more  SBBD 2004»
13 years 9 months ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto