PIM Meets Web 2.0
Web 2.0 refers to a new generation of web applications designed to support collaboration and the sharing of user-generated...
Developing Preference Band Model to Manage Collective Preferences
Discovering user preference is an important task in various database applications, such as searching product information and rating goods...
A Conceptual Modeling Framework for Expressing Observational Data Semantics
Observational data (i.e., data that records observations and measurements) plays a key role in many scientific disciplines. Observational data,...
A Modular Data Infrastructure for Location-Based Services
Knowledgable Location-based Services (LBS) aim at enab- ling mobile users to specify their requests and profiles on the move...
Towards a Compositional Semantic Account of Data Quality Attributes
We address the fundamental question: what does it mean for data in a database to be of high quality?...
A Method to Derivate SOAP Interfaces and WSDL Metadata from the OGC Web Processing...
Web Processing Services (WPS) expose processing functionality using Web Service technology. The WPS specification describes the interfaces to publish...
A Formal Model of Fuzzy Ontology with Property Hierarchy and Object Membership
In this paper, we propose a formal model of fuzzy ontology with property hierarchy by combining theories in cognitive...
Managing Sensor Data on Urban Traffic
Sensor data on traffic events have prompted a wide range of research issues, related with the so-called ITS (Intelligent...
What’s in a Relationship: An Ontological Analysis
In a series of publications, we have proposed a foundational system of ontological categories which has been successfully used...
Retrieving Documents with Geographic References Using a Spatial Index Structure Based on Ontologies
Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a...
