ΔΗΜΟΣΙΕΥΣΕΙΣΓεωργία Κούτρικα
2012
This paper presents Logos, a system that provides natural language translations for relational queries expressed in SQL. Our translation mechanism is based on a graph-based approach to the query…
2010
The constant interaction of users with different Digital Libraries (DLs) and the subsequent scattering of user information across them raise the need not only for Digital Library interoperability…
People’s preferences are expressed at varying levels of granularity and detail as a result of partial or imperfect knowledge. One may have some preference for a general class of entities, for…
Many applications offer a form-based environment for naive users for accessing databases without being familiar with the database schema or a structured query language. User interactions are…
2008
In the classical database world, information access has been based on a paradigm that involves structured, schema-aware, queries and tabular answers. In the current environment, however, where…
Précis queries represent a novel way of accessing data, which combines ideas and techniques from the fields of databases and information retrieval. They are free-form, keyword-based, queries on top…
2007
The term "Digital Libraries" corresponds to a very complex notion with several diverse aspects and cannot be captured by a simple definition. A robust model of Digital Libraries encapsulating the…
As a large fraction of available information resides in databases, the need for facilitating access for the large majority of users becomes increasingly more important. Precis queries are free-form…
2006
Wide spread use of database systems in modern society has brought the need to provide inexperienced users with the ability to easily search a database with no specific knowledge of a query language…
2005
Personalization of keyword searches has attracted interest in the research community as a means to decrease search ambiguity and return results that are more bound to be interesting to a particular…
Query Personalization is the process of dynamically enhancing a query with related user preferences stored in a user profile with the aim of providing personalized answers. The underlying idea is…
In today’s knowledge-driven society, information abundance and personal electronic device ubiquity have made it difficult for users to find the right information at the right time and at the right…
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically constructing queries that…
2004
Query Personalization is the process of dynamically enhancing a query with related user preferences stored in a user profile with the aim of providing personalized answers. The underlying idea is…
As information becomes available in increasing amounts to a wide spectrum of users, the need for a shift towards a more user-centered information access paradigm arises. We develop a…
Searching a digital library is typically a tedious task. A system can improve information access by building on knowledge about a user acquired in a user profile in order to customize information…