Iosif Lazaridis

Ιωσήφ Λαζαρίδης

Birthyear:     1976
Birthplace:     Kavala, Greece
Nationality:     Greek
E-mail:     iosif.lazaridis@gmail.com
Web:     http://iosif.lazaridis.googlepages.com/index.html

Research Interests

I am interested in several aspects of quality-aware data management, including approximate query processing, approximate data capture and archival, sensor and P2P databases, and moving object databases. The main theme of my work is to exploit quality-performance tradeoffs and to provide clear semantics to applications/users receiving approximate answers.

Education

2006      Doctor of Philosophy, in Information and Computer Science. University of California, Irvine, USA.
2002     Master of Science, in Information and Computer Science. University of California, Irvine, USA.
1999     Diploma, in Electrical and Computer Engineering. National Technical University of Athens, Greece.

Publications

Listed in reverse chronological order. You can also find a list of my publications in DBLP and Google Scholar.

  1. New Iosif Lazaridis, Qi Han, Sharad Mehrotra and Nalini Venkatasubramanian
    Fault-Tolerant Evaluation of Continuous Queries over Sensor Data
    Internation al Journal on Distributed Sensor Networks (IJDSN), accepted for publication
  2. New Iosif Lazaridis and Sharad Mehrotra
    Optimization of Multi-Version Expensive Predicates
    26th ACM SIGMOD International Conference on Management of Data (SIGMOD 2007), Beijing, China, June 2007
    (Acceptance rate: 14%)
  3. Iosif Lazaridis and Sharad Mehrotra
    Progressive Approximate Aggregate Queries
    Encyclopedia of Geographical Information Science (eds. Shashi Shekhar and Hui Xiong), Springer, (forthcoming in 2007)
  4. Iosif Lazaridis, Qi Han, Sharad Mehrotra, Nalini Venkatasubramanian
    Fault-Tolerant Queries over Sensor Data
    13th International Conference on Management of Data (COMAD 2006), Delhi, India, December, 2006
    (Full paper acceptance rate: 25%)
  5. Qi Zhong, Iosif Lazaridis, Mayur Deshpande, Chen Li, Sharad Mehrotra, Hal Stern
    Supporting Approximate Similarity Queries with Quality Guarantees in P2P Systems (to appear)
    13th International Conference on Management of Data (COMAD 2006), Delhi, India, December, 2006
    (Full paper acceptance rate: 25%)
  6. Mayur Deshpande, Bo Xing, Iosif Lazaridis, Bijit Hore, Nalini Venkatasubramanian, Sharad Mehrotra
    CREW: A Gossip-based Flash Dissemination System (full version)
    The 26th International Conference on Distributed Computing Systems (ICDCS 2006), Lisboa, Portugal, July 2006.
    (Acceptance rate 14%)
  7. Qi Han, Iosif Lazaridis, Sharad Mehrotra, Nalini Venkatasubramanian
    Sensor Data Collection with Expected Reliability Guarantees
    The First International Workshop on Sensor Networks and Systems for Pervasive Computing (PerSeNS), (in conjunction with PerCom), Kauai Island, Hawaii, March 8, 2005
    (Acceptance rate: 32%)
  8. Iosif Lazaridis, Qi Han, Xingbo Yu, Sharad Mehrotra, Nalini Venkatasubramanian, Dmitri V. Kalashnikov, Weiwen Yang
    QUASAR: Quality-Aware Sensing Architecture
    SIGMOD Record 33(1): 26-31, March 2004
  9. Iosif Lazaridis and Sharad Mehrotra
    Approximate Selection Queries over Imprecise Data
    International Conference on Data Engineering (ICDE 2004), Boston, March 2004
    (Acceptance rate 14.3%)
  10. Iraklis Varlamis, Michalis Vazirgiannis, Iosif Lazaridis, T. Panayiotopoulos
    Distributed Virtual Reality Authoring Interfaces for the WWW: the VRSHOP case
    Multimedia Tools Appl. 22(1): 5-30 (2004)
  11. Iosif Lazaridis and Sharad Mehrotra
    Capturing Sensor-Generated Time Series with Quality Guarantees
    International Conference on Data Engineering (ICDE 2003), Bangalore, India, March 2003
    (Acceptance rate 13.5%)
  12. Iosif Lazaridis, Kriengkrai Porkaew, Sharad Mehrotra
    Dynamic Queries over Mobile Objects
    Conference on Extending Database Technology (EDBT 2002), Prague, Czech Republic, March 2002
  13. Sharad Mehrotra, Iosif Lazaridis, Kriengkrai Porkaew
    Situational Awareness over Large Spatio-Temporal Databases
    Intersection of Geospatial Information and Information Technology Workshop, Washington, DC, October 2001
  14. Iosif Lazaridis, Michalis Vazirgiannis, Timos Sellis
    STEDEL: A Language for Interactive Spatio-Temporal Compositions
    Proceedings of IEEE International Conference on Multimedia and Expo (ICME 2001), Tokyo, Japan, August 2001
  15. Kriengkrai Porkaew, Iosif Lazaridis, Sharad Mehrotra
    Querying Mobile Objects in Spatio-Temporal Databases
    Proceedings of 7th Int'l Symposium on Spatial and Temporal Databases, Redondo Beach (SSTD 2001), California, July, 2001
  16. Iosif Lazaridis and Sharad Mehrotra
    Progressive Approximate Aggregate Queries with a Multi-Resolution Tree Structure
    Proceedings of ACM SIGMOD 2001, Santa Barbara, California, May 2001.
    (Acceptance rate 15%)
  17. Iosif Lazaridis, Sharad Mehrotra, Kriengkrai Porkaew, Robert Winkler
    Database Support for Situational Awareness
    Computer-Science Handbook for Displays, Summary of Findings from the Army Research Lab's Advanced Displays and Interactive Displays Federated Laboratory (eds. Marius S. Vassiliou and Thomas S. Huang), Chapter 22, pages 261-276
  18. Iosif Lazaridis and Sharad Mehrotra
    Incorporating Aggregate Queries in Interactive Visualization
    Federated Laboratory Symposium on Advanced Displays and Interactive Displays, University of Maryland, March 2001
  19. Iraklis Varlamis, Michalis Vazirgiannis, Iosif Lazaridis
    Distribituted Virtual Reality Authoring Interfaces for the WWW
    IEEE International Conference on Multimedia and Expo (ICME 2000), New York, August 2000

Theses

  1. Iosif Lazaridis
    Quality-Aware Data Management (in preparation)
    Ph.D. dissertation in Information and Computer Science. University of California, Irvine, 2006.
    Advisor: Sharad Mehrotra
  2. Iosif Lazaridis
    A data model and a declarative language for Virtual Reality applications (in Greek)
    Diploma thesis in Electrical and Computer Engineering. National Technical University of Athens, 1999.
    Advisor: Timos Sellis

Presentations

  1. Approximate Selection Queries over Imprecise Data, ICDE 2004, Boston, MA, USA
  2. Capturing Sensor-Generated Time Series with Quality Guarantees, ICDE 2003, Bangalore, India
  3. Dynamic Queries over Mobile Objects, EDBT 2002, Prague, Czech Republic
  4. Progressive Approximate Aggregate Queries with a Multi-Resolution Tree Structure, SIGMOD 2001, Santa Barbara, CA, USA

Work

  1. Graduate Student Researcher
    Spring 2000-Spring 2004, UC Irvine
    Summer 2004, UC San Diego
    Fall 2004-Summer 2005, UC Irvine
    Winter 2005, UC Irvine
  2. Teaching Assistant
    Fall 1999. ICS 161 "Design and Analysis of Algorithms" (Instructor: Michael Dillencourt)
    Winter 2000. ICS 161 "Design and Analysis of Algorithms" (Instructor: Michael Dillencourt)
    Spring 2006. ICS H23 "Honors Introduction to Computer Science III" (Instructor: George Lueker)
  3. Reader
    Fall 2005. ICS 214a "Principles of Database Management" (Instructors: Sharad Mehrotra and Chen Li)
  4. Developer
    Winter 1999. ESPRIT/VR-Shop project, virtual reality for e-commerce project
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