Taming Software Variability: Ontological Foundations of Variability Mechanisms
Variability mechanisms are techniques applied to adapt software product line (SPL) artifacts to the context of particular products, promoting...
An Analysis and Characterisation of Publicly Available Conceptual Models
Multiple conceptual data modelling languages exist, with newer version typically having more features to model the universe of discourse...
Personalized Knowledge Visualization in Twitter
In recent years, Twitter has been playing an essential role in broadcasting real-time news and useful information. Many commercial...
An Extended ER Algebra to Support Semantically Richer Queries in ERDBMS
In this paper we present the foundations for a semantically rich main-memory DBMS based on the entity-relationship data model....
A Multi-dimensional Approach to Crowd-Consensus Modeling and Evaluation
In this paper, we propose a multi-dimensional approach to support modeling and consensus management in collective crowdsourcing applications/problems. We...
Enhancing Entity-Relationship Schemata for Conceptual Database Structure Models
The paper aims at development of well-founded notions of database structure models that are specified in entity-relationship modelling languages....
Principles for Modeling User-Generated Content
The increasing reliance of organizations on externally produced information, such as online user-generated content (UGC), challenges the common assumption...
Model Based Enterprise Simulation and Analysis
Modern enterprises are complex systems operating in highly dynamic environments. The time to respond to the various change drivers...
Ranking Friendly Result Composition for XML Keyword Search
This paper addresses an open problem of keyword search in XML trees: given relevant matches to keywords, how to...
How is Life for a Table in an Evolving Relational Schema? Birth, Death and...
In this paper, we study the version history of eight databases that are part of larger open source projects,...