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DEXA
1994
Springer
81views Database» more  DEXA 1994»
14 years 4 months ago
Supporting Information Disclosure in an Evolving Environment
Even if high-level query languages are used, query formulation may cause problems. This is notably so in case of large and complex application domains. Typical examples of these ki...
Arthur H. M. ter Hofstede, Henderik Alex Proper, T...
VLDB
1997
ACM
165views Database» more  VLDB 1997»
14 years 4 months ago
DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases
In semistructured databases there is no schema fixed in advance. To provide the benefits of a schema in such environments, we introduce DataGuides: concise and accurate structural...
Roy Goldman, Jennifer Widom
VL
2000
IEEE
140views Visual Languages» more  VL 2000»
14 years 4 months ago
Tabular and Textual Methods for Selecting Objects from a Group
The accurate formulation of boolean expressions is a notorious problem in programming languages and database query tools. This paper studies the ways that untrained users naturall...
John F. Pane, Brad A. Myers
ICDE
2002
IEEE
103views Database» more  ICDE 2002»
14 years 5 months ago
Using Unity to Semi-Automatically Integrate Relational Schema
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
Ramon Lawrence, Ken Barker
INFOVIS
2003
IEEE
14 years 5 months ago
Empirical Comparison of Dynamic Query Sliders and Brushing Histograms
Dynamic queries facilitate rapid exploration of information by real-time visual display of both query formulation and results. Dynamic query sliders are linked to the main visuali...
Qing Li, Chris North
ERCIMDL
2005
Springer
148views Education» more  ERCIMDL 2005»
14 years 6 months ago
Active Support for Query Formulation in Virtual Digital Libraries: A Case Study with DAFFODIL
Daffodil is a front-end to federated, heterogeneous digital libraries targeting at strategic support of users during the information seeking process. This is done by offering a va...
André Schaefer, Matthias Jordan, Claus-Pete...
SIGIR
2006
ACM
14 years 6 months ago
A study of real-time query expansion effectiveness
In this poster, we describe the study of an interface technique that provides a list of suggested additional query terms as a searcher types a search query, in effect offering int...
Ryen W. White, Gary Marchionini
MMM
2008
Springer
127views Multimedia» more  MMM 2008»
14 years 6 months ago
A Query Language Combining Object Features and Semantic Events for Surveillance Video Retrieval
In this paper, we propose a novel query language for video indexing and retrieval that (1) enables to make queries both at the image level and at the semantic level (2) enables the...
Thi-Lan Le, Monique Thonnat, Alain Boucher, Fran&c...
WWW
2004
ACM
15 years 1 months ago
Providing ranked relevant results for web database queries
Often Web database users experience difficulty in articulating their needs using a precise query. Providing ranked set of possible answers would benefit such users. We propose to ...
Ullas Nambiar, Subbarao Kambhampati
WWW
2006
ACM
15 years 1 months ago
Graphical representation of RDF queries
In this poster we discuss a graphical notation for representing queries for semistructured data. We try to strike a balance between expressiveness of the query language and simpli...
Andreas Harth, Sebastian Ryszard Kruk, Stefan Deck...