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Displaying 1-49 out of 49 total
Guest Editors' Introduction: The Many Faces of Semantics
Found in: IEEE Multimedia
By Farshad Fotouhi, William I. Grosky, Peter Stanchev
Issue Date:April 2009
pp. 16-17
<p>The Semantic Web enables programs and agents to automatically understand what data is about, and therefore bridge the so-called semantic gap between the ways in which users request Web resources and the real needs of those users, ultimately improv...
 
Adapting Medical Image Processing Tasks to a Scalable Scientific Workflow System
Found in: 2014 IEEE World Congress on Services (SERVICES)
By Hajar Hamidian,Shiyong Lu,Satyendra Rana,Farshad Fotouhi,Hamid Soltanian-Zadeh
Issue Date:June 2014
pp. 385-392
In this paper, we present a web-based medical image processing scientific workflow system called DATAVIEW. This platform is implemented to satisfy the need of physicians to process their data by computer scientists and therefore, overcome the problem of de...
 
New Products
Found in: IEEE Multimedia
By Farshad Fotouhi
Issue Date:July 2012
pp. 88-c3
This article features some of the latest advances in multimedia technology.
 
Confident Surgical Decision Making in Temporal Lobe Epilepsy by Heterogeneous Classifier Ensembles
Found in: Data Mining Workshops, International Conference on
By Shobeir Fakhraei,Hamid Soltanian-Zadeh,Kourosh Jafari-Khouzani,Kost Elisevich,Farshad Fotouhi
Issue Date:December 2011
pp. 1003-1009
In medical domains with low tolerance for invalid predictions, classification confidence is highly important and traditional performance measures such as overall accuracy cannot provide adequate insight into classifications reliability. In this paper, a co...
 
TupleRecommender: A Recommender System for Relational Databases
Found in: Database and Expert Systems Applications, International Workshop on
By Sina Fakhraee,Farshad Fotouhi
Issue Date:September 2011
pp. 549-553
An important and challenging task in any keyword-based search system in text documents or relational databases is the capability of the system to find additional results besides the actual search results and present them to the users as recommendations. Th...
 
Effective Keyword Search over Relational Databases Considering Keywords Proximity and Keywords N-grams
Found in: Database and Expert Systems Applications, International Workshop on
By Sina Fakhraee,Farshad Fotouhi
Issue Date:September 2011
pp. 190-194
The current amount of text data in relational databases is massive and is growing fast. This increases the importance and need for non-technical users to be able to search for such information using a simple keyword search. Researchers have studied and add...
 
OPQL: A First OPM-Level Query Language for Scientific Workflow Provenance
Found in: Services Computing, IEEE International Conference on
By Chunhyeok Lim,Shiyong Lu,Artem Chebotko,Farshad Fotouhi
Issue Date:July 2011
pp. 136-143
Provenance, which is one kind of metadata that captures the derivation history of a data product, including its original data sources, intermediate products, and the steps that were applied to produce it, has become increasingly important in services compu...
 
Consensus Feature Ranking in Datasets with Missing Values
Found in: Machine Learning and Applications, Fourth International Conference on
By Shobeir Fakhraei, Hamid Soltanian-Zadeh, Farshad Fotouhi, Kost Elisevich
Issue Date:December 2010
pp. 771-775
Development of a feature ranking method based upon the discriminative power of features and unbiased towards classifiers is of interest. We have studied a consensus feature ranking method, based on multiple classifiers, and have shown its superiority to we...
 
Diffusion Maps: A Superior Semantic Method to Improve Similarity Join Performance
Found in: Data Mining Workshops, International Conference on
By Bilal Hawashin, Farshad Fotouhi, William Grosky
Issue Date:December 2010
pp. 9-16
This paper adopts the use of the diffusion maps method for joining long string values, such as paper abstracts, movie summaries, product descriptions, and user feedback, to improve the performance of the existing similarity join methods. In this work, we s...
 
Secure Abstraction Views for Scientific Workflow Provenance Querying
Found in: IEEE Transactions on Services Computing
By Artem Chebotko, Shiyong Lu, Seunghan Chang, Farshad Fotouhi, Ping Yang
Issue Date:October 2010
pp. 322-337
Provenance has become increasingly important in scientific workflows and services computing to capture the derivation history of a data product, including the original data sources, intermediate data products, and the steps that were applied to produce the...
 
Noise and Outlier Filtering in Heterogeneous Medical Data Sources
Found in: Database and Expert Systems Applications, International Workshop on
By Noor Alaydie, Farshad Fotouhi, Chandan K. Reddy, Hamid Soltanian-Zadeh
Issue Date:September 2010
pp. 115-119
There is a growing interest in studying the common features from multiple data sources. Fusing information from multiple heterogenous data sources promises to identify complex multivariate relationships among the heterogeneous sources. Such relationships c...
 
Prospective and Retrospective Provenance Collection in Scientific Workflow Environments
Found in: Services Computing, IEEE International Conference on
By Chunhyeok Lim, Shiyong Lu, Artem Chebotko, Farshad Fotouhi
Issue Date:July 2010
pp. 449-456
Provenance, a record of the derivation history of scientific results, is critical for scientific workflows to support reproducibility, result interpretation, and problem diagnosis. Both prospective provenance, which captures an abstract workflow specificat...
 
A Reference Architecture for Scientific Workflow Management Systems and the VIEW SOA Solution
Found in: IEEE Transactions on Services Computing
By Cui Lin, Shiyong Lu, Xubo Fei, Artem Chebotko, Darshan Pai, Zhaoqiang Lai, Farshad Fotouhi, Jing Hua
Issue Date:January 2009
pp. 79-92
Scientific workflows have recently emerged as a new paradigm for scientists to formalize and structure complex and distributed scientific processes to enable and accelerate many scientific discoveries. In contrast to business workflows, which are typically...
 
New Products
Found in: IEEE Multimedia
By Farshad Fotouhi
Issue Date:October 2008
pp. C2-1
This article features some of the latest advances in multimedia technology.
 
New Products
Found in: IEEE Multimedia
By Farshad Fotouhi
Issue Date:July 2008
pp. 88-89
This article features some of the latest advances in multimedia technology.
 
Scientific Workflow Provenance Querying with Security Views
Found in: Web-Age Information Management, International Conference on
By Artem Chebotko, Seunghan Chang, Shiyong Lu, Farshad Fotouhi, Ping Yang
Issue Date:July 2008
pp. 349-356
Provenance, the metadata that pertains to the derivation history of a data product, has become increasingly important in scientific workflow environments. In many cases, both data products and their provenance can be sensitive and effective access control ...
 
Service-Oriented Architecture for VIEW: A Visual Scientific Workflow Management System
Found in: Services Computing, IEEE International Conference on
By Cui Lin, Shiyong Lu, Zhaoqiang Lai, Artem Chebotko, Xubo Fei, Jing Hua, Farshad Fotouhi
Issue Date:July 2008
pp. 335-342
Scientific workflows have recently emerged as a new paradigm for scientists to formalize and structure complex and distributed scientific processes to enable and accelerate many scientific discoveries. In contrast to business workflows, which are typically...
 
Application of Diffusion Kernel in Multimodal Image Retrieval
Found in: Multimedia Workshops, International Symposium on
By Rajeev Agrawal, William Grosky, Farshad Fotouhi, Changhua Wu
Issue Date:December 2007
pp. 271-276
In this paper, we propose an approach to negotiate the gap between low-level image features and the human interpretation of the image. Taking the cue from text-based retrieval techniques, we construct
 
Storing and Querying Scientific Workflow Provenance Metadata Using an RDBMS
Found in: e-Science and Grid Computing, International Conference on
By Artem Chebotko, Xubo Fei, Cui Lin, Shiyong Lu, Farshad Fotouhi
Issue Date:December 2007
pp. 611-618
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow environments. This paper proposes an approach to provenance management that seamles...
 
Data Modeling for Content-Based Support Environment Application on Epilepsy Data Mining
Found in: Data Mining Workshops, International Conference on
By Mohammad-Reza Siadat, Hamid Soltanian-Zadeh, Farshad Fotouhi, Ameen Eetemadi, and Kost Elisevich
Issue Date:October 2007
pp. 181-188
Data Modeling is an essential first step for data preparation in any data mining procedure. Conventional entity-relational (E-R) data modeling is lossy, irreproducible, and time- consuming especially when dealing with unstructured image data associated wit...
 
VIEW: a VIsual sciEntificWorkflow management system
Found in: Services, IEEE Congress on
By Artem Chebotko, Cui Lin, Xubo Fei, Zhaoqiang Lai, Shiyong Lu, Jing Hua, Farshad Fotouhi
Issue Date:July 2007
pp. 207-208
In this demo, we present the current status of our VIsual sciEntificWorkflow management system called VIEW, highlighting the following two features: (i) the use of Semantic Web technology to represent, store, and query provenance metadata, leading to an in...
 
Graph Matching Based Authorization Model for Efficient Secure XML Querying
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Seunghan Chang, Artem Chebotko, Shiyong Lu, Farshad Fotouhi
Issue Date:May 2007
pp. 473-478
XML is rapidly emerging as a standard for data representation and exchange over the World Wide Web and an increasing amount of sensitive business data is processed in the XML format. Therefore, it is critical to have control mechanisms to restrict a user t...
 
Ranking Privacy Policy
Found in: Data Engineering Workshops, 22nd International Conference on
By Rajeev Agrawal, William I. Grosky, Farshad Fotouhi
Issue Date:April 2007
pp. 192-197
Almost all company websites collect some information about the user in some form. The information may be a simple IP address of the host to extensive personal information about the user. It is now a well established procedure for a company to state its pri...
 
Co-clustering Documents and Words Using Bipartite Isoperimetric Graph Partitioning
Found in: Data Mining, IEEE International Conference on
By Manjeet Rege, Ming Dong, Farshad Fotouhi
Issue Date:December 2006
pp. 532-541
In this paper, we present a novel graph theoretic approach to the problem of document-word co-clustering. In our approach, documents and words are modeled as the two vertices of a bipartite graph. We then propose Isoperimetric Co-clustering Algorithm (ICA)...
 
Image Retrieval Using Multimodal Keywords
Found in: Multimedia, International Symposium on
By Rajeev Agrawal, William Grosky, Farshad Fotouhi
Issue Date:December 2006
pp. 817-822
In this paper, we propose a technique to retrieve the images using the ?search by similarity? method with the help of multimodal keywords. Multimodal keywords consist of low-level MPEG-7 color descriptors and textual keywords. The visual keywords and textu...
 
Finding a Semantic Structure Interactively in Image Databases
Found in: Multimedia and Expo, IEEE International Conference on
By Manjeet Rege, Ming Dong, Farshad Fotouhi
Issue Date:July 2006
pp. 81-84
We present a new approach to organize an image database by finding a semantic structure interactively based on multi-user relevance feedback. By treating user relevance feedbacks as weak classifiers and combining them together, we are able to capture the c...
 
Improving Quality of Ontology: An Ontology Transformation Approach
Found in: Data Engineering Workshops, 22nd International Conference on
By Farhad Mostowfi, Farshad Fotouhi
Issue Date:April 2006
pp. 61
Ontologies are used to give meaning to resources on the Semantic Web and therefore the Semantic Web?s success in integrating and providing interoperability between different sources depends on the quality of ontologies. In this paper, we propose a set of t...
 
New Products
Found in: IEEE Multimedia
By Farshad Fotouhi
Issue Date:January 2006
pp. 91-92
Here we discuss some of the latest innovations in multimedia technology.
 
Reconstructing XML Subtrees from Relational Storage of XML documents
Found in: Data Engineering Workshops, 22nd International Conference on
By Artem Chebotko, Dapeng Liu, Mustafa Atay, Shiyong Lu, Farshad Fotouhi
Issue Date:April 2005
pp. 1282
Numerous researchers have proposed to use relational databases to store and query XML documents. One important component of such systems is the XML subtree reconstruction, which reconstructs the subtrees rooted at the matching nodes of an XML query and ret...
 
Combining Bayesian Networks and Decision Trees to Predict Drosophila melanogaster Protein-Protein Interactions
Found in: Data Engineering Workshops, 22nd International Conference on
By Jingkai Yu, Farshad Fotouhi, Russell L. Jr. Finley
Issue Date:April 2005
pp. 1159
Protein-protein interactions are important in many aspects of cellular processes. Discovery of protein interactions that take place within a cell can provide a starting point for understanding biological regulatory pathways. High-throughput experimental sc...
 
OntoELAN. An Ontology-Based Linguistic Multimedia Annotator
Found in: Multimedia Software Engineering, International Symposium on
By Artem Chebotko, Yu Deng, Shiyong Lu, Farshad Fotouhi, Anthony Aristar, Hennie Brugman, Alexander Klassmann, Han Sloetjes, Albert Russel, Peter Wittenburg
Issue Date:December 2004
pp. 329-336
Despite its scientific, political, and practical value, comprehensive information about human languages, in all their variety and complexity, is not readily obtainable and searchable. One reason is that many language data are collected as audio and video r...
 
Learning the Semantics in Image Retrieval - A Natural Language Processing Approach
Found in: Computer Vision and Pattern Recognition Workshop
By Changbo Yang, Ming Dong, Farshad Fotouhi
Issue Date:July 2004
pp. 137
Learning the semantics of image retrieval using both text and visual information is a challenging research issue in content-based image retrieval systems. In this paper, we present a statistical natural language processing model for image retrieval, which ...
 
Disclosure Risk Measures for Microdata
Found in: Scientific and Statistical Database Management, International Conference on
By Traian Marius Truta, Farshad Fotouhi, Daniel Barth-Jones
Issue Date:July 2003
pp. 15
In this paper, we define several disclosure risk measures for microdata. We will analyze disclosure risk based on the disclosure control techniques applied to initial microdata. Disclosure Control is the discipline concerned with the modification of data c...
 
Predictive Model for Yeast Protein Functions Using Modular Neural Approach
Found in: Bioinformatic and Bioengineering, IEEE International Symposium on
By Doosung Hwang, Farshad Fotouhi, Russell L. Finley Jr., William I. Grosky
Issue Date:March 2003
pp. 436
In this paper we use a modular neural network to predict the molecular functions of yeast proteins. To solve this class problem, our proposed approach decomposes the original problem into a set of solvable 2-class subproblems using class information. Each ...
 
Automatically Finding Images for Clinical Decision Support
Found in: Data Mining Workshops, International Conference on
By Dina Demner-Fushman, Sameer Antani, Mohammad-Reza Siadat, Hamid Soltanian-Zadeh, Farshad Fotouhi, and Kost Elisevich
Issue Date:October 2007
pp. 139-144
Essential information is often conveyed in illustrations in biomedical publications. A clinician's decision to access the full text when searching for evidence in support of clinical decision is frequently based solely on a short bibliographic reference. W...
 
A privacy preserving efficient protocol for semantic similarity join using long string attributes
Found in: Proceedings of the 4th International Workshop on Privacy and Anonymity in the Information Society (PAIS '11)
By Bilal Hawashin, Farshad Fotouhi, Traian Marius Truta
Issue Date:March 2011
pp. 1-7
During the similarity join process, one or more sources may not allow sharing the whole data with other sources. In this case, privacy preserved similarity join is required. We showed in our previous work [4] that using long attributes, such as paper abstr...
     
XPath query processing improvements
Found in: Proceedings of the 2010 Conference of the Center for Advanced Studies on Collaborative Research (CASCON '10)
By Farshad Fotouhi, P. Mark Pettovello
Issue Date:November 2010
pp. 86-99
Much research has been done adapting relational technology for use with XML and XPath query processing, several research efforts have focused on native XML databases, and some research efforts have focused on hybrid approaches. This paper presents a hybrid...
     
Effect of classifiers in consensus feature ranking for biomedical datasets
Found in: Proceedings of the ACM fourth international workshop on Data and text mining in biomedical informatics (DTMBIO '10)
By Farshad Fotouhi, Hamid Soltanian-Zadeh, Kost Elisevich, Shobeir Fakhraei
Issue Date:October 2010
pp. 67-68
Many informative aspects of medical datasets may be extracted from comparative study of features discriminative power. Recently, consensus feature rankings have been proposed to achieve robust, unbiased and reliable rankings of attributes. We have studied ...
     
Efficient XPath query processing
Found in: Proceedings of the 2008 conference of the center for advanced studies on collaborative research: meeting of minds (CASCON '08)
By Farshad Fotouhi, P. Mark Pettovello
Issue Date:October 2008
pp. 77-81
We propose improved XPath query processing algorithms on XML documents by extending the MTree navigational XML database index. Our algorithms efficiently resolve element name specific XPath navigational queries, in many cases without a need for sorting or ...
     
MS 2008: second international workshop on the many faces of multimedia semantics
Found in: Proceeding of the 16th ACM international conference on Multimedia (MM '08)
By Farshad Fotouhi, Peter Stanchev, William I. Grosky
Issue Date:October 2008
pp. 40-42
The Second International Workshop on the Many Faces of Multimedia Semantics (MS'08) is the second such workshop held in conjunction with the ACM International Multimedia Conference. This workshop provides a forum for practitioners, artists, and scientists ...
     
Exploiting types for improved schema mapping
Found in: Proceedings of the 2007 ACM symposium on Applied computing (SAC '07)
By Farshad Fotouhi, Hasan Jamil, Youngju Son
Issue Date:March 2007
pp. 423-429
Schema mapping in life sciences is complicated by several factors - heterogeneity and non-standard naming of scientific objects. Traditional mapping techniques fail completely in many instances. This article suggests that exploiting type information and he...
     
MTree: an XML XPath graph index
Found in: Proceedings of the 2006 ACM symposium on Applied computing (SAC '06)
By Farshad Fotouhi, P. Mark Pettovello
Issue Date:April 2006
pp. 474-481
This paper introduces the MTree index algorithm, a special purpose XML XPath index designed to meet the needs of the hierarchical XPath query language. With the increasing importance of XML, XPath, and XQuery, several methods have been proposed for creatin...
     
Region based image annotation through multiple-instance learning
Found in: Proceedings of the 13th annual ACM international conference on Multimedia (MULTIMEDIA '05)
By Changbo Yang, Farshad Fotouhi, Ming Dong
Issue Date:November 2005
pp. 435-438
In an annotated image database, keywords are usually associated with images instead of individual regions, which poses a major challenge for any region based image annotation algorithm. In this paper, we propose to learn the correspondence between image re...
     
Semantic feedback for interactive image retrieval
Found in: Proceedings of the 13th annual ACM international conference on Multimedia (MULTIMEDIA '05)
By Changbo Yang, Farshad Fotouhi, Ming Dong
Issue Date:November 2005
pp. 415-418
In this paper we present a semantic image retrieval system with integrated feedback mechanism. In our system, we propose a novel feedback solution for semantic retrieval: semantic feedback, which allows our system to interact with users directly at the sem...
     
Assessing global disclosure risk in masked microdata
Found in: Proceedings of the 2004 ACM workshop on Privacy in the electronic society (WPES '04)
By Daniel Barth-Jones, Farshad Fotouhi, Traian Marius Truta
Issue Date:October 2004
pp. 85-93
In this paper, we introduce a general framework for microdata and three disclosure risk measures (minimal, maximal and weighted). We classify the attributes from a given microdata in two different ways: based on their potential identification utility and b...
     
Privacy and confidentiality management for the microaggregation disclosure control method: disclosure risk and information loss measures
Found in: Proceedings of the 2003 ACM workshop on Privacy in the electronic society (WPES '03)
By Daniel Barth-Jones, Farshad Fotouhi, Traian Marius Truta
Issue Date:October 2003
pp. 21-30
In this paper, we first introduce minimal, maximal and weighted disclosure risk measures for microaggregation disclosure control method. Our disclosure risk measures are more applicable to real-life situations, compute the overall disclosure risk, and are ...
     
An adaptive real-time Web search engine
Found in: Proceedings of the second international workshop on Web information and data management (WIDM '99)
By Augustine Chidi Ikeji, Farshad Fotouhi
Issue Date:November 1999
pp. 12-16
The Internet provides a wealth of information scattered all over the world. The fact that the information may be located anywhere makes it both convenient for placing information on the Web and difficult for others to find. Conventional search engines can ...
     
Computation of partial query results with an adaptive stratified sampling technique
Found in: Proceedings of the fourth international conference on Information and knowledge management (CIKM '95)
By Augustine C. Ikeji, Farshad Fotouhi
Issue Date:November 1995
pp. 145-149
This paper describes the design of and experimentation with the Knowledge Query and Manipulation Language (KQML), a new language and protocol for exchanging information and knowledge. This work is part of a larger effort, the ARPA Knowledge Sharing Effort ...
     
Sandbox: scientists assessing necessary data based on experimentation
Found in: interactions
By Andrew Johnson, Farshad Fotouhi
Issue Date:January 1994
pp. 34-45
If user-interface design seeks to encompass human-experience design, then computer-based communication and interaction designers need to keep Asian, specifically Chinese, users in mind. China, with approximately one-fifth of the world's population, an econ...
     
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