Panagiotis Karras is an
LKY
Postdoctoral Fellow
at the National University of Singapore.
He received an M.Eng. in Electrical and Computer Engineering from the
National Technical University of Athens, a Ph.D. in Computer Science from the
University of Hong Kong, and
the 2008 Young Scientist Award in Physical/Mathematical Science from the
Hong Kong Institution of Science.
In the past he has also worked and studied at the
University of Zurich, at the
Technical University of Denmark, at the
Institute of Language and Speech Processing in Athens, at
Schlumberger Information Solutions in Oslo, at the
University of Karlsruhe, Germany, and at the
University of Patras, Greece.
Publications in Refereed Journals
Publications in Refereed Conferences
- Fast and Effective Histogram Construction
Felix Halim, Panagiotis Karras, and Roland H.C. Yap
Proc.
of the 18th ACM Conf. on Information and Knowledge Management (CIKM),
Hong Kong, China, November 2009
- Optimality and Scalability in Lattice Histogram Construction
Panagiotis Karras
Proc.
of the 35th Intl Conf. on Very Large Data Bases
(VLDB),
Lyon, France, August 2009
- Multiplicative Synopses for Relative-Error Metrics
Panagiotis Karras
Proc. of
the 12th Intl Conf. on Extending Database Technology
(EDBT),
Saint-Petersburg, Russia, March 2009
- Hexastore: Sextuple Indexing for Semantic Web Data Management
Cathrin Weiss, Panagiotis Karras, and Abraham Bernstein
Proc.
of the 34th Intl Conf. on Very Large Data Bases
(VLDB),
Auckland, New Zealand, August 2008
- Lattice Histograms: a Resilient Synopsis Structure
Panagiotis Karras and Nikos Mamoulis
Proc. of
the 24th IEEE Intl Conf. on Data Engineering
(ICDE),
Cancún, Mexico, April 2008
- Common Influence Join: A Natural Join Operation for Spatial Pointsets
Man Lung Yiu, Nikos Mamoulis, and Panagiotis Karras
Proc. of
the 24th IEEE Intl Conf. on Data Engineering
(ICDE),
Cancún, Mexico, April 2008
- Ring-constrained Join: Deriving Fair Middleman Locations from Pointsets via a Geometric Constraint
Man Lung Yiu, Panagiotis Karras, and Nikos Mamoulis
Proc. of
the 11th Intl Conf. on Extending Database Technology
(EDBT),
Nantes, France, March 2008
- Fast Anonymization with Low Information Loss
Gabriel Ghinita, Panagiotis Karras, Panos Kalnis, and Nikos Mamoulis
Proc.
of the 33rd Intl Conf. on Very Large Data Bases
(VLDB),
Vienna, September 2007
- Exploiting Duality in Summarization with Deterministic Guarantees
Panagiotis Karras, Dimitris Sacharidis, and Nikos Mamoulis
Proc.
of the 13th ACM SIGKDD Intl Conf. on Knowledge Discovery and Data Mining
(KDD),
San Jose, California, August 2007
- The Haar+ Tree: a Refined Synopsis Data Structure
Panagiotis Karras and Nikos Mamoulis
Proc.
of the 23rd IEEE Intl Conf. on Data Engineering
(ICDE),
Istanbul, April 2007
- Detecting the Direction of Motion in a Binary Sensor Network
Panagiotis Karras and Nikos Mamoulis
Proc.
of the 1st IEEE Intl Conf. on Sensor Networks, Ubiquitous, and Trustworthy Computing
(SUTC),
Taichung, June 2006
- One-Pass Wavelet Synopses for Maximum-Error Metrics
Panagiotis Karras and Nikos Mamoulis
Proc.
of the 31st Intl Conf. on Very Large Data Bases
(VLDB),
Trondheim, Norway, August 2005
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