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PODS
2004
ACM
109views Database» more  PODS 2004»
14 years 11 months ago
On the Complexity of Optimal K-Anonymity
The technique of k-anonymization has been proposed in the literature as an alternative way to release public information, while ensuring both data privacy and data integrity. We p...
Adam Meyerson, Ryan Williams
PODS
2004
ACM
117views Database» more  PODS 2004»
14 years 11 months ago
Conditional XPath, the First Order Complete XPath Dialect
XPath is the W3C?standard node addressing language for XML documents. XPath is still under development and its technical aspects are intensively studied. What is missing at presen...
Maarten Marx
PODS
2004
ACM
86views Database» more  PODS 2004»
14 years 11 months ago
Frontiers of Tractability for Typechecking Simple XML Transformations
Typechecking consists of statically verifying whether the output of an XML transformation is always conform to an output type for documents satisfying a given input type. We focus...
Wim Martens, Frank Neven
PODS
2004
ACM
101views Database» more  PODS 2004»
14 years 11 months ago
Synopses for Query Optimization: A Space-Complexity Perspective
Raghav Kaushik, Raghu Ramakrishnan, Venkatesan T. ...
PODS
2004
ACM
207views Database» more  PODS 2004»
14 years 11 months ago
Adaptive Sampling for Geometric Problems over Data Streams
Geometric coordinates are an integral part of many data streams. Examples include sensor locations in environmental monitoring, vehicle locations in traffic monitoring or battlefi...
John Hershberger, Subhash Suri
PODS
2004
ACM
115views Database» more  PODS 2004»
14 years 11 months ago
Foundations of Semantic Web Databases
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...
Claudio Gutiérrez, Carlos A. Hurtado, Alber...
PODS
2004
ACM
96views Database» more  PODS 2004»
14 years 11 months ago
Roads, Codes and Spatiotemporal Queries
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
Sandeep Gupta, Swastik Kopparty, Chinya V. Ravisha...
PODS
2004
ACM
95views Database» more  PODS 2004»
14 years 11 months ago
Conjunctive Queries over Trees
Georg Gottlob, Christoph Koch, Klaus U. Schulz
PODS
2004
ACM
189views Database» more  PODS 2004»
14 years 11 months ago
The Lixto Data Extraction Project - Back and Forth between Theory and Practice
We present the Lixto project, which is both a research project in database theory and a commercial enterprise that develops Web data extraction (wrapping) and Web service definiti...
Georg Gottlob, Christoph Koch, Robert Baumgartner,...