Query-By-Keywords (QBK): Query Formulation Using Semantics and Feedback
The staples of information retrieval have been querying and search, respectively, for structured and unstructured repositories. Processing queries over...
Thirty Years of ER Conferences: Milestones, Achievements, and Future Directions
This paper describes the milestones/achievements in the past 30 years and the future directions for the Entity-Relationship (ER) Conferences...
Cluster-Based Exploration for Effective Keyword Search over Semantic Datasets
The amount of data available in the Web, in databases as well as other systems, is constantly increasing as...
A Frame Manipulation Algebra for ER Logical Stage Modelling
The ER model is arguably today’s most widely accepted basis for the conceptual specification of information systems. A further...
Geometrically Enhanced Conceptual Modelling
Motivated among others by the need to support spatial modelling for the sustainable land use initiative we present a...
Conceptual Modeling in the Time of the Revolution: Part II
Conceptual Modeling was a marginal research topic at the very fringes of Computer Science in the 60s and 70s,...
Anchor Modeling
Maintaining and evolving data warehouses is a complex, error prone, and time consuming activity. The main reason for this...
Data Auditor: Analyzing Data Quality Using Pattern Tableaux
Monitoring databases maintain configuration and measurement tables about computer systems, such as networks and computing clusters, and serve important...
Schema AND Data: A Holistic Approach to Mapping, Resolution and Fusion in Information Integration
To integrate information, data in different formats, from dif- ferent, potentially overlapping sources, must be related and transformed to...
A Generic Set Theory-Based Pattern Matching Approach for the Analysis of Conceptual Models
Recognizing patterns in conceptual models is useful for a number of purposes, like revealing syntactical errors, model comparison, and...
