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EDBT
2011
ACM
203views Database» more  EDBT 2011»
14 years 7 months ago
QueryViz: helping users understand SQL queries and their patterns
We present QueryViz, a novel visualization tool for SQL queries that reduces the time needed to read and understand existing queries. It targets two principal audiences: (i) users...
Jonathan Danaparamita, Wolfgang Gatterbauer
EDBT
2011
ACM
222views Database» more  EDBT 2011»
14 years 7 months ago
The hidden web, XML and the Semantic Web: scientific data management perspectives
The World Wide Web no longer consists just of HTML pages. Our work sheds light on a number of trends on the Internet that go beyond simple Web pages. The hidden Web provides a wea...
Fabian M. Suchanek, Aparna S. Varde, Richi Nayak, ...
EDBT
2011
ACM
223views Database» more  EDBT 2011»
14 years 7 months ago
Taking the OXPath down the deep web
Although deep web analysis has been studied extensively, there is no succinct formalism to describe user interactions with AJAX-enabled web applications. Toward this end, we intro...
Andrew Jon Sellers, Tim Furche, Georg Gottlob, Gio...
EDBT
2011
ACM
225views Database» more  EDBT 2011»
14 years 7 months ago
On (not) indexing quadratic form distance by metric access methods
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
Tomás Skopal, Tomás Bartos, Jakub Lo...
EDBT
2011
ACM
231views Database» more  EDBT 2011»
14 years 7 months ago
Data integration with dependent sources
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
Anish Das Sarma, Xin Luna Dong, Alon Y. Halevy
EDBT
2011
ACM
225views Database» more  EDBT 2011»
14 years 7 months ago
SeMiTri: a framework for semantic annotation of heterogeneous trajectories
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
Zhixian Yan, Dipanjan Chakraborty, Christine Paren...
EDBT
2011
ACM
199views Database» more  EDBT 2011»
14 years 7 months ago
Predicting completion times of batch query workloads using interaction-aware models and simulation
A question that database administrators (DBAs) routinely need to answer is how long a batch query workload will take to complete. This question arises, for example, while planning...
Mumtaz Ahmad, Songyun Duan, Ashraf Aboulnaga, Shiv...
EDBT
2011
ACM
205views Database» more  EDBT 2011»
14 years 7 months ago
A probabilistic XML merging tool
This demonstration paper presents a probabilistic XML data merging tool, that represents the outcome of semi-structured document integration as a probabilistic tree. The system is...
Talel Abdessalem, M. Lamine Ba, Pierre Senellart
EDBT
2011
ACM
256views Database» more  EDBT 2011»
14 years 7 months ago
RanKloud: a scalable ranked query processing framework on hadoop
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...
K. Selçuk Candan, Parth Nagarkar, Mithila N...