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Dive into the research topics where Nikolaos Koudas is active.

Publication


Featured researches published by Nikolaos Koudas.


Archive | 2001

Multidimensional substring selectivity estimation using set hashing of cross-counts

Zhiyuan Chen; Philip Russell Korn; Nikolaos Koudas; S. Muthukrishnan


Archive | 2004

Method for matching XML twigs using index structures and relational query processors

Philip Russell Korn; Nikolaos Koudas; Divesh Srivastava; Zhiyuan Chen; Johannes Gehrke; Jayavel Shanmugasundaram


Archive | 2004

Text joins for data cleansing and integration in a relational database management system

Nikolaos Koudas; Divesh Srivastava; Luis Gravano; Panagiotis G. Ipeirotis


Archive | 2002

Method of performing approximate substring indexing

Hosagrahar Visvesvaraya Jagadish; Nikolaos Koudas; S. Muthukrishnan; Divesh Srivastava


Archive | 2005

Adaptive processing of top-k queries in nested-structure arbitrary markup language such as xml

Sihem Amer-Yahia; Nikolaos Koudas; Amelie Marian-Guerrier; Divesh Srivastava


Archive | 2008

SYSTEMS AND ASSOCIATED COMPUTER PROGRAM PRODUCTS THAT DISGUISE PARTITIONED DATA STRUCTURES USING TRANSFORMATIONS HAVING TARGETED DISTRIBUTIONS

Divesh Srivastava; Nikolaos Koudas; Ting Yu; Qing Zhang


Archive | 2004

Apparatus and method for correlating synchronous and asynchronous data streams

Nikolaos Koudas; Sudipto Guha


Archive | 2009

Method and apparatus for ranked join indices

Nikolaos Koudas; Ioannis Kotidis; Themistoklis Palpanas; Divesh Srivastava; Panayiotis Tsaparas


Archive | 2009

Method and apparatus for optimizing queries under parametric aggregation constraints

Nikolaos Koudas; Divesh Srivastava; Sudipto Guha; Dimitrios Gunopulos; Michail Vlachos


Archive | 2006

Method and system for performing queries on data streams

Nikolaos Koudas; Divesh Srivastava; David Toman

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