Seán O'Riain

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We present a system that improves on current documentcentric Web search engine technology; adopting an entity-centric perspective, we are able to integrate data from both static and live sources into a coherent, interlinked information space. Users can then search and navigate the integrated information space through relationships, both existing and newly(More)
Article history: Received 15 November 2010 Received in revised form 9 February 2012 Accepted 15 February 2012 Information professionals performing business activity related investigative analysis must routinely associate data from a diverse range of Web based general-interest business and financial information sources. XBRL has become an integral part of(More)
The Web is evolving into a complex information space where the unprecedented volume of documents and datawill offer to the information consumer a level of information integration and aggregation that has up until now not been possible. Indiscriminate addition of information can, however, comewith inherent problems such as the provision of poor quality or(More)
Last St. Patrick’s Day, traditional Irish musicians in Dublin, New York, and Paris were brought together in a concert transmitted live over the Internet to emigrants gathered in bars and halls around the world. The Paddynet, an Internet provider focused on Irish affairs, brought together musicians and audiences all over the world on what the organizers(More)
Introduction The fundamental task of ontology matching is based on measuring the similarity between two ontology concepts [1]. However, we argue that a deeper semantic, terminological and linguistic analysis of specialized domain vocabularies is needed in order to establish a more sophisticated similarity measure that caters for the specific characteristics(More)
Angiogenesis is essential for breast cancer metastases formation and is mediated by vascular endothelial growth factor (VEGF) and prostaglandin E2 (PGE2). We hypothesized that serum levels of VEGF and PGE2 are increased by the stress response to breast cancer surgery and attenuated by paravertebral anesthesia and analgesia (PVAA). Thirty women undergoing(More)
The growing number of datasets published on the Web as linked data brings both opportunities for high data availability and challenges inherent to querying data in a semantically heterogeneous and distributed environment. Approaches used for querying siloed databases fail at Web-scale because users don't have an a priori understanding of all the available(More)
Online Analytical Processing (OLAP) promises an interface to analyse Linked Data containing statistics going beyond other interaction paradigms such as follow-your-nose browsers, faceted-search interfaces and query builders. Transforming statistical Linked Data into a star schema to populate a relational database and applying a common OLAP engine do not(More)
The GoodRelations Ontology is experiencing the first stages of mainstream adoption, with its appeal to a range of enterprises as the eCommerce ontology of choice to promote its product catalogue. As adoption increases, so too does the need to review and analyze current implementation of the ontology to better inform future usage and uptake. To(More)
The process of searching and understanding existing vocabularies (terminological artifacts) on the Linked Data Web is an intrinsic activity to the consumption and production of Linked Data. Data consumers trying to find and understand the vocabularies behind datasets in order to query them, or data producers searching for existing resources to describe(More)