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Skyline Queries Against Mobile Lightweight Devices in MANETs

Skyline Queries Against Mobile Lightweight Devices in MANETs

Skyline Queries Against Mobile Lightweight Devices in MANETs. Zhiyong Huang 1 Christian S. Jensen 2 Hua Lu 1 Beng Chin Ooi 1 1 National University of Singapore, Singapore 2 Aalborg University, Denmark. Outline. Introduction Problem Definition Skyline Queries in MANETs

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515 views • 38 slides
Skyline Queries Against Mobile Lightweight Devices in MANETs

Skyline Queries Against Mobile Lightweight Devices in MANETs

Skyline Queries Against Mobile Lightweight Devices in MANETs. Zhiyong Huang 1 Christian S. Jensen 2 Hua Lu 1 Beng Chin Ooi 1 1 National University of Singapore, Singapore 2 Aalborg University, Denmark. Outline. Introduction Problem Definition Skyline Queries in MANETs

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384 views • 38 slides
Probabilistic Data Management

Probabilistic Data Management

Probabilistic Data Management. Chapter 7: Probabilistic Query Answering (5). Objectives. In this chapter, you will: Explore the definitions of more probabilistic query types Probabilistic skyline query Probabilistic reverse skyline query. Recall: Probabilistic Query Types.

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356 views • 35 slides
Stabbing the Sky: Efficient Skyline Computation over Sliding Windows

Stabbing the Sky: Efficient Skyline Computation over Sliding Windows

Stabbing the Sky: Efficient Skyline Computation over Sliding Windows. COMP9314 Lecture Notes. Outline. Introduction n -of- N Queries ( n 1 , n 2 )-of- N Queries Performance Evaluation Conclusions. Skyline. Skyline Query : Input : a set of points in d- dimensional space.

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446 views • 28 slides
Refreshing the Sky: The Compressed Skycube with Efficient Support for Frequent Updates

Refreshing the Sky: The Compressed Skycube with Efficient Support for Frequent Updates

Refreshing the Sky: The Compressed Skycube with Efficient Support for Frequent Updates. Tian Xia and Donghui Zhang Northeastern University. Dist. To Beach. t 2. t 4. t 3. t 7. 1 2 3 4 5 6 7 8. t 5. t 1. t 6. 1 2 3 4 5 6 7 8 9.

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404 views • 26 slides
The Spatial Skyline Queries

The Spatial Skyline Queries

The Spatial Skyline Queries. Mehdi Sharifzadeh and Cyrus Shahabi University of Southern California Los Angeles, CA 90089-0781 shahabi@usc.edu http://infolab.usc.edu. Outline. Motivation Problem Definition Related Work Geometric Properties Our Algorithms: VS 2 and B 2 S 2

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243 views • 23 slides
Efficient Computation of Reverse Skyline Queries

Efficient Computation of Reverse Skyline Queries

Efficient Computation of Reverse Skyline Queries. VLDB 2007. Outline. Introduction Dynamic Skyline Query Branch-and-Bound for Reversed Skylines Reversed Skylines with Approximations Experimental Results Conclusion. Skyline. Important new class of queries

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414 views • 14 slides
Research Works in UJF

Research Works in UJF

Research Works in UJF. Qiang Pu 11-07-2012. Research on Mobile Tourism -especially on LBS. Services become ubiquitous Information systems are now challenged to locate and deliver the right service to the right person at the right time and location.

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211 views • 14 slides

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