2 Search Results for "Koutrika, Georgia"

Document
Invited Talk
DOI: 10.4230/LIPIcs.ICDT.2024.1
Natural Language Data Interfaces: A Data Access Odyssey (Invited Talk)

Authors: Georgia Koutrika

Published in: LIPIcs, Volume 290, 27th International Conference on Database Theory (ICDT 2024)

Abstract
Back in 1970’s, E. F. Codd worked on a prototype of a natural language question and answer application that would sit on top of a relational database system. Soon, natural language interfaces for databases (NLIDBs) became the holy grail for the database community. Different approaches have been proposed from the database, machine learning and NLP communities. Interest in the topic has had its peaks and valleys. After a long and adventurous journey of almost 50 years, there is a rekindled interest in NLIDBs in recent years, fueled by the need for democratizing data access and by the recent advances in deep learning and natural language processing in particular. There is a surge of works on natural language interfaces for databases using neural translation, and suddenly it becomes hard to keep up with advancements in the field. Are we close to finding the holy grail of data access? What are the lurking challenges that we need to surpass and what research opportunities arise? Finally, what is the role of the database community?
Cite as

Georgia Koutrika. Natural Language Data Interfaces: A Data Access Odyssey (Invited Talk). In 27th International Conference on Database Theory (ICDT 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 290, pp. 1:1-1:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{koutrika:LIPIcs.ICDT.2024.1,
  author =	{Koutrika, Georgia},
  title =	{{Natural Language Data Interfaces: A Data Access Odyssey}},
  booktitle =	{27th International Conference on Database Theory (ICDT 2024)},
  pages =	{1:1--1:22},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-312-6},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{290},
  editor =	{Cormode, Graham and Shekelyan, Michael},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICDT.2024.1},
  URN =		{urn:nbn:de:0030-drops-197832},
  doi =		{10.4230/LIPIcs.ICDT.2024.1},
  annote =	{Keywords: natural language data interfaces, NLIDBs, NL-to-SQL, text-to-SQL, conversational databases}
}
Document
DOI: 10.4230/DagSemProc.04271.5
Personalization of Queries based on User Preferences

Authors: Georgia Koutrika and Yannis Ioannidis

Published in: Dagstuhl Seminar Proceedings, Volume 4271, Preferences: Specification, Inference, Applications (2006)

Abstract
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 that different users may find different things relevant to a search due to different preferences. Essential ingredients of query personalization are: (a) a model for representing and storing preferences in user profiles, and (b) algorithms for the generation of personalized answers using stored preferences. Modeling the plethora of preference types is a challenge. In this paper, we present a preference model that combines expressivity and concision. In addition, we provide algorithms for the selection of preferences related to a query and the progressive generation of personalized results, which are ranked based on user interest.
Cite as

Georgia Koutrika and Yannis Ioannidis. Personalization of Queries based on User Preferences. In Preferences: Specification, Inference, Applications. Dagstuhl Seminar Proceedings, Volume 4271, pp. 1-19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{koutrika_et_al:DagSemProc.04271.5,
  author =	{Koutrika, Georgia and Ioannidis, Yannis},
  title =	{{Personalization of Queries based on User Preferences}},
  booktitle =	{Preferences: Specification, Inference, Applications},
  pages =	{1--19},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{4271},
  editor =	{Gianni Bosi and Ronen I. Brafman and Jan Chomicki and Werner Kie{\ss}ling},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.04271.5},
  URN =		{urn:nbn:de:0030-drops-4039},
  doi =		{10.4230/DagSemProc.04271.5},
  annote =	{Keywords: Query personalization, user profiles, preferences}
}
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