Query Reformulation
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Recent papers in Query Reformulation
With the rapid growth of information on the Web, the study of information searching has let to an increased interest. Information behaviour (IB) researchers and information systems (IS) developers are continuously exploring user - Web... more
The Web of Data is an open environment consisting of a great number of large inter-linked RDF datasets from various do-mains. In this environment, organizations and companies adopt the Linked Data practices utilizing Semantic Web (SW)... more
The purpose of this analysis was to evaluate an existing set of search tasks in terms of their effectiveness as part of a " shared infrastructure " for conducting interactive IR research. Twenty search tasks that varied in their cognitive... more
Abstract. We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Mediator and the other ontologies in the federated... more
Recent findings suggest that Information Retrieval (IR)-based bug localization techniques do not perform well if the bug report lacks rich structured information (e.g., relevant program entity names). Conversely, excessive structured... more
Problem Statement: The huge number of information on the web as well as the growth of new inexperienced users creates new challenges for information retrieval. It has become increasingly difficult for these users to find relevant... more
People have different mental strengths and weakness, which can be measured according to cognitive ability. Learning about strengths and preferences in terms of search behavior, and looking for patterns between behaviors and cognitive... more
We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Mediator and the other ontologies in the federated sites.... more
tournées. ABSTRACT. This paper presents SHIRI-Querying, an approach for semantic search in semi- structured documents. We propose a solution to tackle incompleteness and imprecision of an- notations at querying time. This solution relies... more
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redundancies (materialized views, indexes and caches) to... more
Page 1. Querying Structured Data in an Unstructured P2P System Verena Kantere School of Electr. and Comp. Engineering National Technical University of Athens vkante@dbnet.ece.ntua.gr Dimitrios Tsoumakos Department ...