name of picture
Picture taken in Seattle, USA.
Credits: Mythrills



News

  • [July 2019] I am thrilled to join IISc, CSA dept. as an Assistant Professor.

  • [Nov 2017] I will be starting a postdoc at UIUC! My hosts are Prof. Timothy Chan and Prof. Sariel Har-Peled.

  • [Feb 2017] My solo author paper on approximate range counting has been accepted at SoCG 2017!!!

  • [November 2016] Visited University of Waterloo, Canada to work with Prof. Timothy Chan.

  • [Summer 2015] I will be doing an internship at Microsoft Research in Redmond, Washington.

  • [Spring 2015] My paper along with Prof. Yufei Tao has been accepted at PODS 2015.

  • [Fall 2014] My paper (solo author) on rectangle stabbing and point location in three-dimensions has been accepted at SODA :) Hurray !!!

  • [Spring 2014] I have been awarded Doctoral Dissertation Fellowship (DDF) for 2014-15 by Univeristy of Minnesota.

  • [Spring 2012] Visited CUHK, Hong Kong to work with Prof. Yufei Tao.

  • [Fall 2012] Awarded first prize for my presentation in "Fast Forward Preview Session" at ACM SIGSPATIAL GIS 2012.

  • [Fall 2011] Awarded the UMN Computer Science department fellowship for Fall 2011.

Rahul Saladi

Email: saladi [at] iisc [dot] ac [dpt] in

I am an Assistant Professor of Department of Computer Science and Automation at the Indian Institute of Science . Prior to joining IISc, I did a postdoc at University of Illinois Urbana-Champaign (UIUC). I received my Ph.D. from University of Minnesota.

Current research interests: Geometric algorithms and data structures, Approximation algorithms, and Streaming algorithms. 

During my Ph.D. I worked on range-searching problems which has been very well studied by the computational geometry and the database community. In range-searching queries, the user is not interested in the entire input geometric dataset, but only in a small subset of it and requests an informative summary of that small subset of the data. In many applications (such as Google Maps, Yelp, housing/dating websites) the same dataset is queried several times, in which case one would like to answer the queries faster by preprocessing the dataset into a data-structure. The goal is to organize the data into a data-structure which occupies a small amount of space on the computer and yet responds to any user query in real-time. Read my thesis, or/and defense slides, or/and research statement for details...


Manuscripts

20. Sariel Har-Peled, Mitchell Jones, Saladi Rahul
Active Learning a Convex Body in Low Dimensions. [Arxiv]

19. Saladi Rahul
A Linear-Time Algorithm to Compute the Approximate Number of Inversions [Arxiv]

Publications

18. Jie Xue, Yuan Li, Saladi Rahul, Ravi Janardan.
Searching for the closest-pair in a query translate [Arxiv]
35th International Symposium on Computational Geometry (SoCG 2019)

17. Timothy M. Chan, Saladi Rahul, Jie Xue.
Range closest-pair search in higher dimensions [Arxiv]
Algorithms and Data Structures Symposium (WADS 2019)

16. Timothy M. Chan, Yakov Nekrich, Saladi Rahul, Konstantinos Tsakalidis.
Orthogonal Point Location and Rectangle Stabbing Queries in 3-d [Arxiv]
45th International Colloquium on Automata, Languages, and Programming (ICALP 2018).

15. Jie Xue, Yuan Li, Saladi Rahul, Ravi Janardan.
New bounds for range closest-pair problems. [Arxiv]
34rd International Symposium on Computational Geometry (SoCG 2018)

14. Saladi Rahul.
Approximate Range Counting Revisited [Arxiv]
33rd International Symposium on Computational Geometry (SoCG 2017)

13. Prosenjit Gupta, Ravi Janardan, Saladi Rahul, Michiel Smid.
Computational Geometry: Generalized (or Colored) Intersection Searching [PDF]
Handbook of Data Structures and Applications, Sartaj Sahni and Dinesh Mehta eds., CRC Press, 2nd Edition. (To Appear).

12. Saladi Rahul, Yufei Tao.
Efficient Top-k Indexing via General Reductions [PDF]
35th ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems (PODS), 2016

11. Saladi Rahul.
Improved Bounds for Orthogonal Point Enclosure Query and Point Location in Orthogonal Subdivisions in R3 [PDF][Slides]
ACM-SIAM Symposium on Discrete Algorithms (SODA 2015)

10. Saladi Rahul, Yufei Tao.
On Top-k Range Reporting in 2D Space [PDF]
34th ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems (PODS), 2015

9. Akash Agrawal, Saladi Rahul, Yuan Li, Ravi Janardan.
Range search on tuples of points [PDF]
Journal of Discrete Algorithms 30: 1-12 (2015)

8. Saladi Rahul, Ravi Janardan.
A General Technique for Top-k Geometric Intersection Query Problems[PDF]
IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), 2014.

7. Saladi Rahul, Ravi Janardan.
Algorithms for Range-Skyline Queries[PDF]
20th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS), 2012.

6. Haritha Bellam, Saladi Rahul, Krishnan Rajan.
Colored Range Searching on Internal Memory[PDF]
Proc. of 17th International Conference on Database Systems for Advanced Applications (DASFAA), pages 111-125, 2012.

5. Saladi Rahul, Prosenjit Gupta, K. S. Rajan.
Data Structures for Range-Aggregation over Categories[PDF]
International Journal of Foundations of Computer Science, 22(7): 1707-1728, 2011.

4. Saladi Rahul, Prosenjit Gupta, Ravi Janardan, K. S. Rajan.
Efficient Top-k Queries for Orthogonal Ranges [PDF]
Proc. of 5th International Workshop on Algorithms and Computation (WALCOM), pages 110-121, 2011.

3. Saladi Rahul, Ananda Swarup Das, K. S. Rajan, Kannan Srinathan.
Range-Aggregate Queries Involving Geometric Aggregation Operations[PDF]
Proc. of 5th International Workshop on Algorithms and Computation (WALCOM), pages 122-133, 2011.

2. Saladi Rahul, Haritha Bellam, Prosenjit Gupta, Krishnan Rajan.
Range aggregate structures for colored geometric objects[PDF]
Proc. of 22nd Annual Canadian Conference on Computational Geometry (CCCG), pages 249-252, 2010.

1. Saladi Rahul, Prosenjit Gupta, K. S. Rajan.
Data Structures for Range Aggregation by Categories [PDF]
Proc. of 21st Annual Canadian Conference on Computational Geometry (CCCG), pages 133-136, 2009.

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