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\begin{document}

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{\bf {\it R$\acute{e}$sum$\acute{e}$}}
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M. A. Saleh Elmohamed\\
Northeast Parallel Architectures Center\\
111 College Place\\
CST Bldg, Rm 3-217\\
Syracuse University\\
Syracuse, NY 13244-4100\\
E-mail: saleh@npac.syr.edu\\
Phone: (315) 443-1073\\
Fax: (  315) 443-1973\\


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\subsection*{Career Objective}

Interested in opportunities in software engineering, 
parallel and distributed computing, large-scale statistical 
modeling and simulation, Networking, and database systems.

Looking forward to join a group of highly motivated and 
intelligent researchers/developers to work on building actual
software products as well as conducting research. I do enjoy 
the hands-on coding and building as much as the research side
of it.

\subsection*{Education}
\bi
\item PhD in Computer Science, Syracuse University, Syracuse, NY
 (December 1999).
\item Master of Science in Computer Science, Syracuse University 
 (1995).
\item Bachelor of Science in Mathematics and Computer Science,
 Michigan (1983).
\ei

\subsection*{Areas of Knowledge}
My experience spans a number of software and hardware areas. 
    Here are what I consider my areas of expertise: 
\bi
\item {\bf Software Architecture}: 
\bi
\item Design, implementation, and analysis of process control 
           and scientific software tools and algorithms. 
\item Design and implementation of graph-based software tools 
           for real-time data filtering and analysis. 
\item Design and implementation of Java-based scientific 
           software tools for distance education on collaboratory
           systems.  
\item Optimization-based software tools. 
\ei

\item {\bf Distributed Computing}: 
This includes parallelism and its
    principles of granularity, locality, load balance, coordination
and synchronization, and performance modeling. My work in this area
focuses on the three main models: shared-memory (centralized),
shared-memory (distributed or message passing), and data parallel. The
shared-memory model is the most interesting but also the most complex
to deal with due mainly to issues of cache coherence, memory
consistency, locking, atomic exchanges, and nonuniform memory
access. Cache coherence and its protocols of snooping, directory-based
and false sharing are essential and of relevance on how we go about
handling locking in, for example, shared-disk database systems. Also,
this is important since commercial systems - mainly DBS - typically
make heavy use of a central pool of shared memory called the database
cache, which all processors access and update. Figuring out how to
deal with a centrally used, large chunk of data is quite a complex
issue.

The other issues of interest are memory consistency and cache
cross-interrogation problem. It is that on bus-based SMPs inter-cache
traffic can become the dominant use of a snoopy bus, exceeding
cache-to-memory traffic and becoming the primary system performance
limitation.

http://nhse.npac.syr.edu/hpccsurvey/architecture/

http://www.npac.syr.edu/users/saleh/homepage/PDC/notes-on-PDC/notes-on-PDC.html

\item {\bf Multithreaded programming}:
In which a single program is broken into multiple threads
of control which interact to solve a single problem.

\item {\bf Large-scale Collaborative Systems}:
 Involving net-based collaborative systems of community of
agents. For this we make use of our knowledge in message
passing interfaces and active messages used for distributed 
(memory) systems. I have worked on a Java-based
collaboration model that is currently used for distance
education, planning and scheduling. 

http://www.npac.syr.edu/tango/

\item {\bf Combinatorial optimization methods}:
This involve dealing with complex problems of routing and
scheduling, network design, and facilities location. One of
my current research areas is in the development of hybrid
methods combining local search and population-based, creating 
still more effective general purpose solution techniques. 

\item {\bf Large-scale Modeling and Simulation}:
Involving DOD-sponsored (via CEWES) work that I have worked on
in areas of computational fluid dynamics and circuit simulations.
Coded in Java.

http://www.wes.hpc.mil/pet/CEWES/CEWES\_frame.html

\item As well as experience in: 
\bi
\item Parallel compiler runtimes. 
http://www.npac.syr.edu/projects/pcrc/
\item Database systems -- Oracle8, DB2; Algorithms 
           for data mining applications for 
           e-commerce, etc. 
\item High-speed interprocessor communication
   protocols, including HiPPI, as well as distributed object
   protocols such as CORBA's IIOP.
\item Artificial Intelligence - logical and probabilistic reasoning,
   planning, expert systems, vision, search, and knowledge
   representation.
\ei
\ei

\subsection*{Software/Hardware Systems and Languages}
\bi
\item {\bf Programming Skills}: 
\bi
\item Quite proficient in C (about 14 years), Java (since 1996), 
 Lisp, Prolog, Smalltalk, Fortran, C++ (3 years), Modula-3, SQL. 

\item Web design tools: HTML, CGI, Perl, JavaScript and XML.

\item Parallel programming tools: MPI and PVM.
\ei

\item OS knowledge and experience in: Unix (15 years), 
  Solaris (5 years), Linux (3 years), VMS, IRIX (5 years), 
  and NT (over 2 years).

\item Hardware systems experience:

SUN UltraSparcs and Servers, HP Stations, SGI Origin 2000,
SGI Power Challenge, IBM SP-2, Intel Paragon, Cray T3E/T3D,
Compaq-DEC stations, PCs, and Macs. 
\ei

\subsection*{Related Experience}

\subsubsection*{Software Engineer/Programmer}
{\it Data Processing  Division, Aramco/BP, London and the Gulf Region.
  (83 - 87)}

Some of my work was:
\bi
\item Implementation and testing of various communication tools and 
 protocols for the  center's workstations. Porting of database software 
 tools between different environments.
\item Design, implementation, and analysis of various process control
 algorithms.
\item Implementation of process control software tools.
\item Design and implementation of graph-based software tools for data
  analysis.
\ei
\subsubsection*{Research Assistant}
{\it Computer Science Dept, Syracuse University. (93/94-95)}

\bi
\item Neural modeling (biological) and Bayesian methods for 
     classification and improvement of search heuristics. 
     (with the Sensory Institute)
\item Statistical analysis. (with Math)
\item Large scale simulation of classification methods on clusters 
     of SMPs. (with NPAC)
\item Natural Language Processing.
\ei

\subsubsection*{Research Scientist}
{\it Organization: Northeast Parallel Architectures Center, Syracuse University,
 NY, (1995 till now)}.
\bi
\item Worked on High Performance Computing using MPI and
Java/MPI on clusters of NT-based and Sun workstations.
 
http://www.npac.syr.edu/projects/pcrc/index.html

\item Worked (with other colleagues) on designing a virtual 
programming laboratory (VPL) for programming in Java, 
Java/MPI, C/MPI, on a network of workstations (SUN, Compaq-DEC, HP). 
Currently part of NPAC web-based distance education
efforts, using a cluster of Sun Servers. Coded in Java, JavaScript,
and Perl.

http://www.npac.syr.edu/Education/Courses/CPS615/

\item Designed and successfully implemented scheduling 
and timetabling for Syracuse University using
optimization-based methods such as simulated  
annealing, mean field, TS, genetic algorithms and
rule-based approaches.  
Currently using Similar approaches for data mining,
detection of credit card fraud, and resource allocation.
Coded in C/C++ and Perl for pre-processing the data. 

\item Working on Java-based tools for collaborative
computing. Mainly systems for application sharing,
conferencing, scheduling, and distance learning. 

http://www.javagrande.org

http://www.npac.syr.edu/tango/


\item Fall 1996, 1997, and 1998 co-taught, with Geoffrey Fox,
Computational Science for Simulation Applications and
Parallel Computing. Tools and languages used: C/C++ and MPI - Java and
MPI.

http://www.npac.syr.edu/Education/Courses/CPS615/

\item Working on Computational Methods for Distributed 
Information Systems, using Java-related technologies,
among others.

\item Database Systems and JDBC on the Java side.

http://www.npac.syr.edu/projects/pcrc/index.html

\item Working on hardware resources and software tools for 
 NHSE. Also, software/hardware trade-offs in distributed
             computing environments.  

http://nhse.npac.syr.edu
\ei

\subsection*{Languages and Communication Skills}
 Have an excellent command of the English language as well as 
few others.

\subsection*{Sample of Recent Reports}

\begin{enumerate}
\item S. Elmohamed and G. C. Fox, {\it Some issues of reducibility and
equivalence in feedforward neural networks}, NPAC TR 94-60, Syracuse
University, 1995. (Revised 1999, submitted to IEEE Trans. on
Neural Nets.)

\item S. Elmohamed, G. Fox, P. Coddington, {\it Optimization
Networks and Annealing for scheduling on a cluster of workstations},
NPAC Tech Report, Syracuse University, 1997.
(Revised 1999, submitted to Journal of Heuristics)

\item S. Elmohamed and G. Fox, {\it Integration of Java-based
    Scientific Tools for Education with the Collaboratory System
    (Tango): Case study of Fluid Flow  and Monte Carlo
    Simulation}, NPAC report 1998. (To appear)

** MPI/Java demos of the Fluid Flow software were given at
   Supercomputing 1997 in San Jose and Supercomputing 1998 in
   Orlando, by our colleague Bryan Carpenter. 
   http://www.npac.syr.edu/projects/pcrc/index.html 

\item S. Elmohamed, G. C. Fox, P. Coddington, {\it A Comparison of
Annealing Techniques for Academic Course Scheduling}, 
Springer-Verlag Lecture Notes in Computer Science, Volume 1408, 1998.
\end{enumerate}

\subsection*{Other Online Work}
That I have worked on:
\bi
\item Development of CD-ROM materials for the US Army Corps of
Engineers (CEWES). This is used for teaching computational science,
parallel and distributed computing.

http://www.wes.hpc.mil/pet/CEWES/CEWES\_frame.html
\ei

\subsection*{References}
\bi
\item  My boss and the first to be contacted:

      Professor Geoffrey C. Fox, director, NPAC, 111 college place,
      CST Bldg, Rm 3-217, Syracuse, NY 13244-4100.
\bi
\item      phone: 315-443-2163,
\item      email: gcf@npac.syr.edu
\ei
\item Dr. Paul Coddington, Department of Computer Science,
      University of Adelaide, Adelaide, SA 5005, Australia.
\bi      
\item      email: paulc@cs.adelaide.edu.au
\ei
\item Professor Ernest Sibert, Engineering and Computer Science, 111
      College Place, CST Bldg, Rm 2-120, Syracuse, NY 13244.
\bi      
\item      phone: 315-443-3110, 
\item      email: eesibert@top.cis.syr.edu
\ei
\item Dr. Bryan Carpenter, Senior Research Scientist, NPAC, 111 College
      Place, CST Bldg, Rm 3-217, Syracuse, NY 13244-4100.
\bi
\item      phone: 315-443-5068,
\item      email: dbc@npac.syr.edu
\ei
\item Prof. Nancy McCracken, Engineering and Computer Science - NPAC,
      Syracuse University, 111 College Place, CST Bldg, Syracuse, NY
      13244.
\bi
\item      phone: 315-443-4687,
\item      email: njm@npac.syr.edu
\ei

\ei

\subsection*{Work Location and Visa Status}

Eager to relocate to other regions, particularly the east
or west coasts. I do have work authorization to work in the US.

\end{document}
