Leonidas Fegaras

Publication Activity (10 Years)

Years Active: 1989-2023
Publications (10 Years): 23

Top Topics

Integrating Heterogeneous

Top Venues

BigData Congress

Publications

Aashara Shrestha, Dimitrios Zikos, Leonidas Fegaras, John Blebea, Robert A. Sasso
A Bayesian method for the automatic extraction of meaningful clinical sequences from large clinical databases. Comput. Methods Programs Biomed. 233 (2023)
Md Hasanuzzaman Noor, Leonidas Fegaras, Tanvir Ahmed Khan, Tanzima Sultana
Translation of Array-based Loop Programs to Optimized SQL-based Distributed Programs. Open J. Big Data 6 (1) (2022)
Leonidas Fegaras, Tanvir Ahmed Khan, Md Hasanuzzaman Noor, Tanzima Sultana
Scalable Tensors for Big Data Analytics. Big Data (2022)
Leonidas Fegaras
Scalable Linear Algebra Programming for Big Data Analysis. EDBT (2021)
Dimitrios Zikos, Aashara Shrestha, Leonidas Fegaras
A Cross-Sectional Study to Predict Mortality for Medicare Patients Based on the Combined Use of HCUP Tools. J. Heal. Informatics Res. 5 (3) (2021)
Md Hasanuzzaman Noor, Leonidas Fegaras
Translation of Array-Based Graph Programs to Spark SQL on Block Arrays. IEEE BigData (2021)
Aashara Shrestha, Dimitrios Zikos, Leonidas Fegaras
An annotated association mining approach for extracting and visualizing interesting clinical events. Int. J. Medical Informatics 148 (2021)
Leonidas Fegaras, Md Hasanuzzaman Noor
Translation of Array-Based Loops to Distributed Data-Parallel Programs. Proc. VLDB Endow. 13 (8) (2020)
Bhanu Jain, Manfred Huber, Ramez A. Elmasri, Leonidas Fegaras
Reducing race-based bias and increasing recidivism prediction accuracy by using past criminal history details. PETRA (2020)
Md Hasanuzzaman Noor, Leonidas Fegaras
Translation of Array-Based Loops to Spark SQL. IEEE BigData (2020)
Leonidas Fegaras, Md Hasanuzzaman Noor
Translation of Array-Based Loops to Distributed Data-Parallel Programs. CoRR (2020)
Bhanu Jain, Manfred Huber, Leonidas Fegaras, Ramez A. Elmasri
Singular race models: addressing bias and accuracy in predicting prisoner recidivism. PETRA (2019)
Leonidas Fegaras
Compile-Time Query Optimization for Big Data Analytics. Open J. Big Data 5 (1) (2019)
Aashara Shrestha, Leonidas Fegaras, Dimitrios Zikos
Temporal Modification of Apriori to find Seasonal Variations between Symptoms and Diagnoses. PETRA (2018)
Leonidas Fegaras
A Query Processing Framework for Large-Scale Scientific Data Analysis. Trans. Large Scale Data Knowl. Centered Syst. 38 (2018)
Leonidas Fegaras, Md Hasanuzzaman Noor
Compile-Time Code Generation for Embedded Data-Intensive Query Languages. BigData Congress (2018)
Leonidas Fegaras
An algebra for distributed Big Data analytics. J. Funct. Program. 27 (2017)
Leonidas Fegaras
Incremental Query Processing on Big Data Streams. IEEE Trans. Knowl. Data Eng. 28 (11) (2016)
Leonidas Fegaras
A Query Processing Framework for Array-Based Computations. DEXA (1) (2016)
Leonidas Fegaras
Incremental Stream Processing of Nested-Relational Queries. DEXA (1) (2016)
Upa Gupta, Kulsawasd Jitkajornwanich, Ramez Elmasri, Leonidas Fegaras
Adapting K-means clustering to identify spatial patterns in storms. IEEE BigData (2016)
Upa Gupta, Leonidas Fegaras
Distributed Incremental Graph Analysis. BigData Congress (2016)
Leonidas Fegaras
Incremental Query Processing on Big Data Streams. CoRR (2015)
Kulsawasd Jitkajornwanich, Upa Gupta, Sakthi Kumaran Shanmuganathan, Ramez Elmasri, Leonidas Fegaras, John McEnery
Complete storm identification algorithms from big raw rainfall data using MapReduce framework. IEEE BigData (2013)
Upa Gupta, Leonidas Fegaras
Map-based graph analysis on MapReduce. IEEE BigData (2013)
Leonidas Fegaras, Chengkai Li, Upa Gupta
An optimization framework for map-reduce queries. EDBT (2012)
Leonidas Fegaras
Supporting Bulk Synchronous Parallelism in Map-Reduce Queries. SC Companion (2012)
Shahina Ferdous, Sarantos Kapidakis, Leonidas Fegaras, Fillia Makedon
An Adaptable Framework for Integrating and Querying Sensor Data. EANN/AIAI (2) (2011)
Christoph Csallner, Leonidas Fegaras, Chengkai Li
New ideas track: testing mapreduce-style programs. SIGSOFT FSE (2011)
Shahina Ferdous, Eric Becker, Leonidas Fegaras, Fillia Makedon
Multi-person identification and localization using RFID and passive sensor technology. PETRA (2011)
Leonidas Fegaras
Incremental Maintenance of Materialized XML Views. DEXA (2) (2011)
Leonidas Fegaras, Chengkai Li, Upa Gupta, Jijo Philip
XML Query Optimization in Map-Reduce. WebDB (2011)
Anthony Okorodudu, Leonidas Fegaras, David Levine
A scalable and self-adapting notification framework for healthcare information systems. Univers. Access Inf. Soc. 10 (2) (2011)
Ranjan K. Dash, Leonidas Fegaras
A Load Shedding Framework for XML Stream Joins. DEXA (1) (2010)
Anthony Okorodudu, Leonidas Fegaras, David Levine
A Scalable and Self-adapting Notification Framework. DEXA (2) (2010)
Leonidas Fegaras
Propagating updates through XML views using lineage tracing. ICDE (2010)
Leonidas Fegaras
A Schema-Based Translation of XQuery Updates. XSym (2010)
Shahina Ferdous, Leonidas Fegaras, Fillia Makedon
Applying data warehousing technique in pervasive assistive environment. PETRA (2010)
Ranjan K. Dash, Leonidas Fegaras
Synopsis based load shedding in XML streams. EDBT/ICDT Workshops (2009)
Zubin Joseph, Gautam Das, Leonidas Fegaras
Distinct value estimation on peer-to-peer networks. PETRA (2008)
Leonidas Fegaras
Efficient Processing of XML Update Streams. ICDE (2008)
Weimin He, Leonidas Fegaras
Answering XPath queries with search predicates in structured P2P networks. Comput. Syst. Sci. Eng. 23 (2) (2008)
Anthony Okorodudu, Leonidas Fegaras, David Levine
A scalable and self-adapting notification framework for healthcare information systems. PETRA (2008)
Weimin He, Leonidas Fegaras
Approximate XML Query Answers in DHT-Based P2P Networks. DASFAA (2008)
Weimin He, Leonidas Fegaras, David Levine
Locating and Ranking XML Documents Based on Content and Structure Synopses. DEXA (2007)
Weimin He, Leonidas Fegaras, David Levine
Indexing and Searching XML Documents Based on Content and Structure Synopses. BNCOD (2007)
Leonidas Fegaras, Ranjan K. Dash, Yinghui Wang
A Fully Pipelined XQuery Processor. XIME-P (2006)
Leonidas Fegaras, Weimin He, Gautam Das, David Levine
XML Query Routing in Structured P2P Systems. DBISP2P (2006)
Sujoe Bose, Leonidas Fegaras
XFrag: A Query Processing Framework for Fragmented XML Data. WebDB (2005)
Leonidas Fegaras
The Joy of SAX. XIME-P (2004)
Sujoe Bose, Leonidas Fegaras
Data Stream Management for Historical XML Data. SIGMOD Conference (2004)
Leonidas Fegaras
XQuery Processing with Relevance Ranking. XSym (2004)
Sharma Chakravarthy, Y. Alp Aslandogan, Ramez Elmasri, Leonidas Fegaras, Jung-Hwan Oh
Database Research at UT Arlington. SIGMOD Rec. 32 (1) (2003)
Peter A. Tucker, David Maier, Tim Sheard, Leonidas Fegaras
Exploiting Punctuation Semantics in Continuous Data Streams. IEEE Trans. Knowl. Data Eng. 15 (3) (2003)
Sujoe Bose, Leonidas Fegaras, David Levine, Vamsi Chaluvadi
A Query Algebra for Fragmented XML Stream Data. DBPL (2003)
Leonidas Fegaras, David Levine, Sujoe Bose, Vamsi Chaluvadi
Query processing of streamed XML data. CIKM (2002)
Leonidas Fegaras, Ramez Elmasri
Query Engines for Web-Accessible XML Data. VLDB (2001)
Leonidas Fegaras, Chandrasekhar Srinivasan, Arvind Rajendran, David Maier
lambda-DB: An ODMG-Based Object-Oriented DBMS. SIGMOD Conference (2000)
Leonidas Fegaras, David Maier
Optimizing object queries using an effective calculus. ACM Trans. Database Syst. 25 (4) (2000)
Leonidas Fegaras
Optimizing Queries with Object Updates. J. Intell. Inf. Syst. 12 (2-3) (1999)
Leonidas Fegaras
VOODOO: A Visual Object-Oriented Database Language for ODMG OQL. ECOOP Workshops (1999)
Leonidas Fegaras
A New Heuristic for Optimizing Large Queries. DEXA (1998)
Leonidas Fegaras
Query Unnesting in Object-Oriented Databases. SIGMOD Conference (1998)
Leonidas Fegaras, Ramez Elmasri
A Temporal Object Query Language. TIME (1998)
Leonidas Fegaras
Optimizing Large OODB Queries. DOOD (1997)
Leonidas Fegaras, Tim Sheard
Revisiting Catamorphisms over Datatypes with Embedded Functions (or, Programs from Outer Space). POPL (1996)
Leonidas Fegaras, David Maier
Towards an Effective Calculus for Object Query Languages. SIGMOD Conference (1995)
Leonidas Fegaras, David Maier
An Algebraic Framework for Physical OODB Design. DBPL (1995)
Leonidas Fegaras, Tim Sheard, Tong Zhou
Improving Programs Which Recurse over Multiple Inductive Structures. PEPM (1994)
Tim Sheard, Leonidas Fegaras
A Fold for All Seasons. FPCA (1993)
Leonidas Fegaras
Efficient Optimization of Iterative Queries. DBPL (1993)
Leonidas Fegaras, David Maier, Tim Sheard
Specifying Rule-Based Query Optimizers in a Reflective Framework. DOOD (1993)
Leonidas Fegaras, Tim Sheard, David W. Stemple
Uniform Traversal Combinators: Definition, Use and Properties. CADE (1992)
Leonidas Fegaras, David W. Stemple
Using Type Transformation in Database Implementation. DBPL (1991)
David W. Stemple, Leonidas Fegaras, Tim Sheard, Adolfo Socorro
Exceeding the Limits of Polymorphism in Database Programming Languages. EDBT (1990)
Leonidas Fegaras, Tim Sheard, David W. Stemple
The ADABTPL Type System. DBPL (1989)