This paper describes XisQuê (http://xisque.di.fc.ul.pt) an online service for real-time, open-domain question answering (QA) on the Portuguese Web.

The emergence of Grid computing has accentuated the need of an adaptable, scalable and extensible resource management system. In this paper we introduce GridARM system which renders the boundaries of resource brokerage, virtual organization wide authorization and advanced reservation, and represents a scalable and adaptive Grid resource management as a middleware infrastructure. The GridARM sys...

In the demand side management (DSM) the aggregator is appearing as a key player in managing the demand during the peak hours by acting as an energy manager between the utility and the consumer. In this work, an emerging concept of the energy service provider as a business entity for domestic consumers is discussed and focuses on the interactional issues between the utility, the aggregator and t...

According to the National Institute of Standards and Technology (NIST), Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud ...

In this paper we introduce DiTTO, an online service that allows one to convert an E/R diagram created through the yEd diagram editor into a proper OWL ontology according to three different conversion strategies.

Researchers have called for new theoretical frameworks and empirical analyses to understand variations in organizational strategies and management practices in the Internet industry, where existing paradigms may have limited applicability. Studies to date have neither articulated the repertoire of key firm actions in this context nor developed theory to relate firm actions to performance. This ...

This paper presents Folheador, an online service for browsing through Portuguese semantic relations, acquired from different sources. Besides facilitating the exploration of Portuguese lexical knowledge bases, Folheador is connected to services that access Portuguese corpora, which provide authentic examples of the semantic relations in context.

Nutrition counseling has an important place in the dental care setting given the clear relationship between dietary factors and dental caries and the association between obesity, diabetes and periodontitis. Nutritional counseling can be defined as a cooperative mode of interaction between the patient and health care provider aimed to assist patients in adopting healthy dietary behaviors associa...