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Data Management, Exploration and Mining (DMX) - Visitors 2009



Ioannis  Antonellis

My name is Ioannis (Yannis) Antonellis and i am a 2nd year CS Phd student at Stanford University. My advisor is Hector Garcia-Molina and i am working on collaborative techniques and their applications on query log analysis for web and sponsored search.

This summer I am interning in the Data Management, Exploration and Mining group, working with Christian Konig on analyzing web browsing logs.

For more information please visit my homepage:

Also, i regularly (plan to) write on the Stanford Infoblog:


Fei Chiang

I am a PhD student in the Department of Computer Science at the University of Toronto. I am a member of the Database Research Group and my advisor is Prof. Renée J. Miller. My current research interests are in the efficient management of uncertain and inconsistent data, data quality, data mining, and meta-data management.

In my spare time, I like to play tennis, hike and run.


This summer I'll be working with Raghav Kaushik and Vivek Narasayyaon problems in data cleaning You can find out more about me at



Hicham Elmongui

Hi, my name is Hicham Elmongui, and I am a PhD candidate in the Computer Science Department at Purdue. My research is in the area of databases. Specifically, I am interested in the query optimization for moving objects databases. My advisor is Prof Walid Aref.


This summer, I am interning with the DMX group. My manager is Vivek Narasayya, and I will work with Ravi Ramamurthy as well. In 2006 and 2007, I interned with the Database group at MSR, where my manager was Paul Larson. I also worked with Jingren Zhou.

I received Frederick N. Andrews Fellowship. I am also a recipient of the Purdue University Outstanding Teaching Award, and the Outstanding Service to the Purdue CS Department Award. Besides, I was the college valedictorian when I graduated Summa Cum Laude with my B.S. in Computer Science and Automatic Control from Alexandria University, Egypt.

In my free time, I enjoy playing with my four year old son, Yahya. My hobbies include reading and travelling.


Ling Hu

My name is Ling Hu. I am a second year PhD student from Northeastern University. I work with Prof. Donghui Zhang in database lab, CCIS. My research interests are query optimization, data warehousing, database security issues.I like reading and watching movies. I do Yoga and go to gym regularly. You can get to know more about me here.


Hongrae Lee

Hi, my name is Hongrae Lee and I’m finishing my 2nd year of Ph.D. program at the University of British Columbia, Canada. My advisor is Prof. Raymond Ng and I'm interested in approximate query processing in text databases and its optimization. This summer, I’ll be working with Dr. Surajit Chaudhuri in Autoadmin project. In my spare time, I like doing sports like soccer, tennis, and ski. I hardly say no to coffee or delicious foods:) You could find more about me here(


Rimma Nehma

My name is Rimma Nehme. I am a PhD student at Purdue University. My research area is query optimization, more specifically I am working the application of machine learning techniques to query optimization and efficient query processing in streaming databases. In my free time, I like to run, draw, ski and watch movies (and I also like to make movies).

This summer I am working in the DMX group with my mentor Nico Bruno.

If you would like to find out more about me, visit my website:


Christopher Re

Christopher (Chris) Ré is a graduate student in the department of Computer Science and Engineering at the University of Washington advised by Dan Suciu. Chris’ interests are theoretical and practical problems in data management. Details of his work can be found here. His thesis work in probabilistic data management will be completed at the end of the current academic year (’09).


Karl Schnaitter

I am a PhD candidate at University of California, Santa Cruz… GO SLUGS! My advisor is Alkis Polyzotis, and our main work has dealt with on-line physical tuning and processing top-k join queries. I also have interests in programming languages and algorithm analysis. I like to spend a lot of my free time on trails, either running or hiking. I have also played guitar for 12 years, and I am a member of a rock band called God of Shamisen.


I am very excited to be visiting Microsoft and working with Nico this Summer! We will be working on problems in physical design tuning.

My homepage:


Tianyi Wu

Hi, my name is Tianyi Wu. I am a third-year Ph.D. student in the Department of Computer Science, University of Illinois at Urbana-Champaign, where I work under the supervision of Dr. Jiawei Han. My research interests include data warehousing and OLAP, ranking queries, and association mining. Before joining U of I, I got my B.S. in Fudan University, China. It's exciting that I'll be an intern working with Dr. Kaushik Chakrabarti and other researchers in DMX this summer. My hobbies maybe too much to be listed here. Generally I like various sports but for now I enjoy playing pool with my dad most. Please visit my homepage at to find out more about me.