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+===================================================+
+======= Quality Techniques Newsletter =======+
+======= September 2004 =======+
+===================================================+
QUALITY TECHNIQUES NEWSLETTER (QTN) is E-mailed monthly to
subscribers worldwide to support the Software Research, Inc. (SR),
eValid, and TestWorks user communities and to other interested
parties to provide information of general use to the worldwide
internet and software quality and testing community.
Permission to copy and/or re-distribute is granted, and secondary
circulation is encouraged, provided that the entire QTN
document/file is kept intact and this complete copyright notice
appears in all copies. Information on how to subscribe or
unsubscribe is at the end of this issue. (c) Copyright 2004 by
Software Research, Inc.
========================================================================
Contents of This Issue
o International Journal of Internet Protocol Technology (IJIPT),
Special issue on Service-Oriented Internet Systems
o International Journal of E-Business Research, Special Issue on:
Web Services-Based E-Business Systems
o eValid: Recent News and Updates
o New Book: Rationale Management in Software Engineering
o Musa Software Reliability Engineering Book Availability
o eValid: A Quick Summary
o International Workshop on Software Verification and Validation
(SVV 2004)
o QTN Article Submittal, Subscription Information
========================================================================
International Journal of Internet Protocol Technology (IJIPT)
https://www.inderscience.com/browse/index.php?journalID=144
Special issue on Service-Oriented Internet Systems
Guest Editor: Schahram Dustdar,Vienna University of Technology, Austria
Worldwide, there is a growing recognition that Internet Systems
enable new forms of human collaboration -- for groups of private
individuals, for companies, and for the public sector -- and also
for emerging software (Web) services, which can be discovered,
deployed, and enacted as workflows on the Internet.
Current effort in research and industry is therefore aimed at
transforming the World Wide Web from a network that makes
information available and that facilitates transactions, towards an
environment that provides software services and resources to
facilitate the emergence of dynamic virtual organizations and
collaborative working environments utilizing Service-oriented
Information Systems on the Internet.
Topics of interest include, but are not limited to:
* Service-oriented Architectures and Web services engineering
* Service discovery, delivery, and inter-operation
* Middleware for emerging service-oriented systems
* Security, Dependability, Trust, Confidence, Privacy issues
* Testing and optimization of service-oriented Internet Systems
Contact
Schahram Dustdar - Vienna University of Technology, Austria
Associate Professor Distributed Systems Group (DSG), Information
Systems Institute A-1040 Wien, Argentinierstrasse 8/184-1 Tel +43-
1-58801-18414 Fax +43-1-58801-18491 URL:
http://www.infosys.tuwien.ac.at/Staff/sd/
========================================================================
Special Issue on: Web Services-Based E-Business Systems
International Journal of E-Business Research to appear in January 2006
http://www.idea-group.com/ijebr
Guest Editors: San Murugesan and Schahram Dustdar
Web services software components and applications that use standard
Internet technologies and are accessed through the Internet and
intranet -, are now gaining foothold as a key integration technology
and as an approach to development and deployment of e-business
systems and applications. Vendors and standardization bodies are
making significant progress toward providing interoperable
infrastructures that are essential for building bridges between
these systems and enabling closer collaboration and interaction
among businesses. Now, Web services seem to be ready for induction
into the mainstream. We are moving towards application and service
integration, rather than dedicated system development that require
extensive deployment and integration efforts. The next generation
of Internet- and Intranet-based e-business systems are more likely
to be based on Web services.
The new-generation e-business systems would compose services
dynamically, as needed, by binding several lower-level services,
thus overcoming major limitations of traditional Web/software
development and evolution. Web services also have the potential for
transforming how businesses and enterprises interact within
themselves and with other enterprises. Besides being a catalyst for
transformation, Web services offer businesses the agility to
configure and implement e-business and information systems in pace
with their growth and market trends. The potential savings to be
made, combined with increased flexibility and growth potential,
makes Web services very attractive for a range of enterprise/e-
business applications.
This special issue aims to focus on this emerging new paradigm in
e-business application development and deployment. In spite of
significant potential benefits, only a few large enterprises have
put into practice Web services-based e-business applications so far,
while Web services seem to be potentially more attractive even for
small and medium enterprises. This low adoption is partly due to
problems and challenges in developing and deploying real-life
applications based on Web services. This is an area in need of
further investigation and study, and this special issue focuses on
these efforts. We seek quality papers which identify and address
relevant issues, recommend success factors, outline experiences and
lessons learned, and present case studies and empirical analyses.
Topics of interest include, but are not limited to:
- Issues and considerations in deploying Web services
- System development methodologies
- Composition of e-Business systems/applications using Web services
- Web services and interorganizational workflows
- New interaction and coordination models
- Management and monitoring of Web services-based e-business systems
- Business models for Web services
- Dependability of Web services-based systems
- Performance and scalability
- Testing and evaluation
- Quality of Services (QoS) of Web Services, Quality assurance
- Innovative e-business applications supported by Web services
- Case studies
- Success factors and barriers to adoption
- Pros and cons of Web services in the context of e-business
- Impact of Web services on enterprises
- Legal obligations and requirements
Guest Editors
San Murugesan
School of Multimedia and Information Technology
Southern Cross University
Coffs Harbour NSW 2457, Australia
smurugesan@scu.edu.au
Schahram Dustdar
Vienna University of Technology
Argentinierstr. 8 /184-1
A-1040 Vienna, Austria
dustdar@infosys.tuwien.ac.at
========================================================================
eValid: Latest News & Updates
eValid is the premier WebSite Quality Testing & Analysis Suite.
eValid solutions help organizations maintain e-Business presence,
improve WebSite quality and performance, reduce down time, prevent
customer loss, and control your costs.
eValid's Web Analysis and Testing Suite is comprehensive, yet
scalable and easy to use, and applies to a wide range of web
applications. Built entirely inside an IE-compatible browser,
realistic viewer experience results are 100% guaranteed.
Standard Test Record Format Includes CSV Style
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
We have enhanced eValid's reporting capability by providing a new
format and new capabilities for the eValid Standard Test Record:
http://www.soft.com/eValid/Products/Documentation.40/Monitoring/standard.test.record.html
This record is produced at the end of each playback and is made
available in all of the standard playback logfiles, in the special
Playback Summary Report, and in the Cumulative Summary Report. In
addition, the user can create a CSV record that contains the same
data in a format that can be quickly placed in a database.
New Course at McGill by Robert Sabourin
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Prof. Robert Sabourin is offering a course in Software Validation
[ECSE 429] http://www.ece.mcgill.ca/~info429/infosheet.html in the
Electrical and Computer Engineering Department
http://www.mcgill.ca/ece/ at McGill University, Montreal, Quebec,
Canada. A major part of the course is the us of eValid for
functional and stress testing of websites.
Sample E-Commerce, Download Monitors Available
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
As part of our continuing effort to provide clear explanations and
worked examples of eValid operation, we have put together two
additional hourly monitors.
The Ritz Interactive E-Commerce Monitor
http://www.soft.com/eValid/Customers/USA/R/Ritzinteractive/Monitor1/summary.html
applies a deep transaction to a popular website to determine hour-
by-hour relative performance as viewed "over the last mile" from a
users' perspective. This is a very reliable website, but even so
you can observe daily fluctuations in the total download time.
The SilverDollar Executable Download Monitor
http://www.soft.com/eValid/Customers/Canada/I/IPmarketing/Monitor1/summary.html
examines the total download speed for a relatively large (> 5
MByte) exeutable. It does this by actually downloading the file and
synchronizing for "Download Complete" in the Windows SaveAs modal
dialog. Like Ritz Interactive, this is a very stable site, which
exhibits fairly uniform download speeds through each day.
G1 Site Analysis Scans Available
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
To support eValid users who are studying websites laterally --
looking for common properties and phenomena of interest -- we have
prepared a complete run of all 177 of the Gomez sites. The G1
Public Site Scan Data
http://www.soft.com/eValid/Promotion/PublicScans/G1.html> shows a
standard set of eValid site analysis reports for all 115 of the
sites.
One very unexpected result is that the download speed of the sites
scanned varied by about 100:1 overall (slowest to fastest).
Enhanced Adaptive Playback for ButtonClick Command
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^i^^^^^^^^^^^^^^^^^^^^
Changes in the adaptive playback support have been made for eValid's
ButtonClick command. The new implementation provides for increased
flexibility in how eValid adapts to a changed button name or changed
button location. With this change fewer tests will fail for
inconsequential changes in the underlying website. The improved
method is available to regular eValid users as part of their regular
maintenance subscription.
eValid Adopted For Lab Use At SJSU
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Prof. Gerry Gao at San Jose State University's College of
Engineering http://www.engr.sjsu.edu/coe/index.php has adopted
eValid for use in his course on Software Quality Testing [CMPE
287/196H] http://www.engr.sjsu.edu/gaojerry/course/287/Lab-
schedule.htm being offered in the Fall 2004 semester. The eValid
engine is used for both the GUI regression testing (record/play)
work and also for the load/stress testing parts of the laboratory
work.
New Dashboard Status Displays
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
As web pages grow in complexity it becomes more and more important
to have precise control of the eValid recording mode. Knowing the
kind of object you are recording is crucial to achieving a reliable,
repeatable, adaptable and robust test recording.
To help achieve the best possible recordings the eValid Recording
Mode Dashboard has been modified to show the current settings of
important recording options. See:
http://www.soft.com/eValid/Products/Documentation.40/GUI/dashboard.html#Record
Now you can see, in one location, the current states of absolute and
Element MouseOver recording, and of Left and Right Click recording
in absolute mode. In addition, the dashboard shows you when you are
recording in Application Mode.
Page Tuning Monitoring Expanded
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In addition to the CoreMetrics TopPage Monitor1 previously
announced, we have added monitoring displays that analyze two other
popular WebSites in the same way.
The new reports are the Keynote TopPage Monitor1 and Gomez TopPage
Monitor1.
In all three monitoring activities the results available are hourly,
24 x 7 measurements for last mile timing of top top page download
performance. For accuracy, the results are repeated in a script
that performs the download 10 times [after clearing the initial
cache contents and running with "Never Use" cache each time].
Each report shows the results of measurements every hour for the
last 24 hours in this format:
o Time. The hour (00, 01, ..., 23) during which the script was
run.
o Test Summary. The standard eValid Test Summary Report generated
by the run.
o Event Log. The HTML version of the complete eValid Event Log for
the run.
o Performance Chart. The performance chart shows the results of
the sequence of downloads. Each "stack chart" in the display
itemizes the complete download behavior for the page.
See all the data for yourself at:
http://www.soft.com/eValid/Customers/USA/K/Keynote/Monitor1/summary.html
http://www.soft.com/eValid/Customers/USA/G/Gomez/Monitor1/summary.html
http://www.soft.com/eValid/Customers/USA/C/Coremetrics/Monitor1/summary.html
New 3D-SiteMap Update Introduces New Capabilities
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The 3D-SiteMap portrays page-to-page dependency information that the
eValid site analysis process obtains by systematically scanning a
WebSite and then analyzing the dependencies between all of the pages
it viewed.
A new release of the eValid 3D-SiteMap display engine is now
available. The new additions to the 3D-SiteMap engine include:
o A capability to limit the displayed dependencies to an
adjustable depth for children and/or parents of a chosen root
node.
o An option to show only the "immediate family" of a chosen root
(base) URL.
You can see a complete working example along with the updated 3D-
SiteMap Summary Documentation at:
http://www.soft.com/eValid/Products/Documentation.40/Mapping/3Dsitemap.html
Command Line Switches and Error Codes Expanded
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
To support expanded use of eValid in monitoring applications and
other unattended operational roles, we have added a number of new
exit codes. The complete Playback Error Codes documentation gives
all of the details. See:
http://www.soft.com/eValid/Products/Documentation.40/Technical/error.codes.html
Of special note is the addition of error/exit codes for the new
eV.Manager batch-mode to automatically repeat application of an test
suite a fixed number of times in immediate succession.
See the eV.Manager Command Line Switches description at:
http://www.soft.com/eValid/Products/Documentation.40/Technical/interface.html#eV.Manager
KB40 Full-WebSite Scan Data Available
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
We have completed detailed site analysis scans of the KB40 WebSites
as part of our program of providing complete documentation about
WebSite performance and quality. Each scan is accompanied with 14
separate eValid reports, including 3D-SiteMaps of the top portion of
each WebSite.
See: http://www.soft.com/eValid/Promotion/PublicScans/KB40.html
The 40 WebSites scans showed a ~30:1 variation in achieved download
speed, even when using a high-speed dedicated DSL connection. See
also the Top-Page Benchmark Comparisons and the KB40 Backup Data at:
http://www.soft.com/eValid/Benchmarks/OnePage/comparison.html
http://www.soft.com/eValid/Benchmarks/OnePage/summary.html
Script Catalog Offered
^^^^^^^^^^^^^^^^^^^^^^
To help new and experienced users alike we have put together a
Script Catalog that shows typical eValid scripts in "ready to play"
mode. To facilitate better understanding all scripts shown are
reformatted and commented so that you can get a sense of what eValid
scripts look like and how they work. The initial list of scripts
includes those derived from the eValid "cookbook" script
instructions plus those used in for self-training AUTOPLAY scripts.
See:
http://www.soft.com/eValid/Products/Support/Scripts/catalog.html>
eValid users may click:
Help > Documentation > User Manual
and then navigate to the script catalog by clicking:
Basics > Interface > Scripts
Product Download Location, Details
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Here is the URL for downloading eValid if you want to start [or re-
start] your evaluation:
http://www.soft.com/eValid/Products/Download.40/down.evalid.40.phtml?status=FORM
Contact Us With Your Questions
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
We welcome your questions about eValid and its applications. We
promise a response to every question in one business day if you use
the WebSite request form:
http://www.soft.com/eValid/Information/info.request.html
========================================================================
Rationale Management In Software Engineering
A book edited by Allen H. Dutoit, Raymond McCall, Ivan Mistrik, and
Barbara Paech and published by Springer-Verlag/Computer Science
Editorial (subject to final approval)
Rationale is the justification behind decisions. It is captured and
used in many different forms during and for software engineering.
The availability of rationale increases the developers understanding
of the system, making it easier to adapt or maintain. Being able to
explain past decisions also facilitates the training of new members
in a development team.
In the 1980s, the software engineering community (among several
others) started to develop specific representations for rationale.
Process-based approaches, such as IBIS or DRL, represent rationale
as decision-making steps, capturing the argumentation behind designs
as it occurs. Structural approaches, such as QOC, represent the
rationale as a space of alternatives and evaluation criteria,
reconstructing rationale after decisions are made. In both cases,
capturing rationale entails the elicitation and formalization of
tacit knowledge, potentially introducing much overhead and
disruption in the development process. Rationale also features many
elements and interdependencies, making it often difficult to keep up
to date.
These challenges shifted the initial interest in general-purpose
rationale approaches to solutions focusing on specialized situations
in which rationale is particularly needed, such as reuse or
distributed development. For example, design patterns prominently
feature rationale information enabling developers to understand the
different contexts in which the pattern can be applied and its
related trade-offs. Distributed projects, including open source
projects, have a greater need for making rationale explicit to
enable the collaboration of participants who have never met face to
face. As rationale research has focused on specialized situations
and been treated together with other research issues, it has become
fragmented in many different communities and less identifiable as a
research endeavor by itself.
Consequently, the goal of this book is to bring under a single roof
the available knowledge on fundamental rationale approaches and
their applications to software engineering.
Archival quality novel paper submissions are invited that address
topics, which include, but are not restricted to:
* Capture and use of rationale during and for system analysis,
design and implementation (e.g. design rationale)
* Capture and use of rationale during and for project management
(e.g. risk assessments)
* Capture and use of rationale during and for experience
management (e.g. forces or intent modeling in patterns)
* Capture and use of rationale during and for process improvement
(e.g. capturing success factors in process models)
* Supporting reuse and evolution through rationale
* Supporting quality assurance through rationale
* Supporting documentation and teaching through rationale
* Computer supported collaborative work in software engineering
and rationale
* Notations and conceptual models for rationale
* Ontologies and rationale
* Strategies for introducing rationale in development processes
* Software engineering decision making based on rationale
* Measurement for and with rationale
* Supporting consistency, completeness and change of rationale
* Tools for capturing, inferencing with and using rationale
* Role of rationale in different contexts such as agile software
development or distributed software development
* Benefits from and obstacles for rationale in software
engineering
Editors
Allen H. Dutoit
Institut fur Informatik
Technische Universiteit Munchen
Munchen, Germany
Email: dutoit@in.tum.de
Raymond McCall
Department of Planning and Design
University of Colorado
Boulder, Colorado, USA
Email: Mccall@colorado.edu
Ivan Mistrik
Fraunhofer Institut fur Integrierte
Publikations und Informationssysteme
Darmstadt, Germany
Email: mistrik@ipsi.fraunhofer.de
Barbara Paech
Institut fur Informatik
Universiteit Heidelberg
Heidelberg, Germany
Email: paech@informatik.uni-heidelberg.de
========================================================================
Musa Software Reliability Engineering Book Availability
JOHN D. MUSA
Software Reliability Engineering and Testing Courses
Email: j.musa@ieee.org
The new edition of "Software Reliability Engineering: More Reliable
Software Faster and Cheaper," is now available (paperback version is
now on sale and the hardcover is scheduled for Sept. 24).
It focuses on making software practitioners more competitive without
working longer. This is a necessity in a world of globalization and
outsourcing where professionals want more time for their personal
lives.
John D. Musa has written what is essentially a new book. It reflects
the latest software reliability engineering (SRE) practice.
Reorganized and enlarged 50% to 630 pages, the material was polished
by thousands of practitioners in the author's classes at a wide
variety of companies worldwide.
One of the book's new features is a series of workshops for applying
each area that you learn to your project. The frequently asked
questions (answerd, of course) were doubled to more than 700. All
the popular features of the previous edition have been updated and
rewritten. These include the step-by-step process summary, the
glossary, the background sections, and the exercises. The user
manual for the software reliability estimation program CASRE,
downloadable at no charge from the Internet, reflects the latest
version. The list of published articles by SRE users of their
experiences now numbers more than 65. Everything is exhaustively
indexed to make the most detailed topic easily accessible to those
using it as a deskside reference.
The book separates basic practice from special situations for faster
learning. Musa presents the material in a casual, readable style,
with mathematics placed in separate background sections. All this
was done to make the book especially effective for self learning. It
also furnishes everything you need to implement SRE in your
organization, even discussing the most effective methods of how to
persuade people to adopt the practice.
One of the first Print on Demand (POD) professional books, it is
coupled with a web site (http://members.aol.com/JohnDMusa) where you
can browse and order the book. The web site has a complete detailed
Table of Contents and extensive samples from the book that simulate
the bookstore browsing experience. POD uses the latest automated
technology to custom print each order and ship it anywhere in the
world. It is as fast as you can obtain a traditionally published
professional book. The cost is similar. POD technology makes it
economic to keep the book in print for as long as even a handful of
people want it.
Musa is one of the founders of the field of software reliability
engineering. He is an IEEE Fellow and is Engineer of the Year in
2004. Listed in Who's Who in America since 1990, Musa is a prolific
researcher, international consultant and teacher, and experienced
and practical software developer and manager. ACM Software
Engineering Notes noted for the first edition, "The author's
experience in reliability engineering is apparent and his expertise
is infused in the text."
The book, published by AuthorHouse, comes in hard cover and
paperback editions. It contains 630 pages, including prefaces and
appendices.
========================================================================
eValid: A Quick Summary
http://www.e-valid.com
eValid technology incorporates virtually every quality and testing
functionality in a full-featured browser. Here is a summary of the
main eValid benefits and advantages.
o InBrowser(tm) Technology. All the test functions are built into
the eValid browser. eValid offers total accuracy and natural
access to "all things web." If you can browse it, you can test
it. And, eValid's unique capabilities are used by a growing
number of firms as the basis for their active services
monitoring offerings.
o Mapping and Site Analysis. The built-in WebSite spider travels
through your website and applies a variety of checks and filters
to every accessible page. All done entirely from the users'
perspective -- from a browser -- just as your users will see
your website.
o Functional Testing, Regression Testing. Easy to use GUI based
record and playback with full spectrum of validation functions.
The eV.Manager component provides complete, natural test suite
management.
o LoadTest Server Loading. Multiple eValid's play back multiple
independent user sessions -- unparalleled accuracy and
efficiency. Plus: No Virtual Users! Single and multiple
machine usages with consolidated reporting.
o Performance Tuning Services. Outsourcing your server loading
activity can surely save your budget and might even save your
neck! Realistic scenarios, applied from multiple driver
machines, impose totally realistic -- no virtual users! -- loads
on your server.
o Web Services Testing/Validation. eValid tests of web services
start begin by analyzing the WSDL file and creating a custom
HTML testbed page for the candidate service. Special data
generation and analysis commands thoroughly test the web service
and automatically identify a range of failures.
o Desktop, Enterprise Products. eValid test and analysis engines
are delivered at moderate costs for desktop use, and at very
competitive prices for use throughout your enterprise.
o HealthCheck Subscription. For websites up to 1000 pages, eValid
HealthCheck services provide basic detailed analyses of smaller
websites in a very economical, very efficient way.
o eValidation Managed Service. Being introduced soon. the
eValidation Managed WebSite Quality Service offers comprehensive
user-oriented detailed quality analysis for any size website,
including those with 10,000 or more pages.
Resellers, Consultants, Contractors, OEMers Take Note
We have an active program for product and service resellers. We'd
like to hear from you if you are interested in joining the growing
eValid "quality website" delivery team. We also provide OEM
solutions for internal and/or external monitoring, custom-faced
testing browsers, and a range of other possibilities. Let us hear
from you!
========================================================================
International Workshop on Software Verification and Validation (SVV 2004)
In Conjunction with
International Conf. on Formal Engineering Methods (ICFEM) 2004
Seattle (USA), November 2004
URL: http://www.comp.nus.edu.sg/~abhik/SVV04/
The workshop will focus on theoretical techniques, practical methods
as well as case studies for verification of conventional and
embedded software systems. In particular, we welcome papers which
describe combinations of formal and informal reasoning, as well as
formal verification and program analysis techniques. Tool papers and
case studies, which report on advances in verifying large scale
programs in standard languages are particularly sought. The list of
topics include, but are not restricted to:
* Tools/environments/case studies for large scale software
verification
* Static analysis/Abstract interpretation/Program transformations
for verification
* Use of model checking and deductive techniques for software
verification
* Role of declarative programming languages (such as Prolog) for
infinite state verification.
* Techniques to validate system software (such as compilers) as
well as assembly code/Java byte-code
* Proof techniques for verifying specific classes of software
(such as object-oriented programs)
* Integrating testing and run-time monitoring with formal
techniques
* Validation of UML diagrams, and/or requirement specifications
* Software certification and proof carrying code
* Integration of formal verification into software development
projects
Program Committee
Tevfik Bultan (University of California, Santa Barbara)
Michael Colon (Naval Research Laboratory, USA)
Sandro Etalle (University of Twente, Netherlands)
John Goodenough (Software Engineering Institute, CMU, USA)
Sandeep Kumar Shukla (Virginia Tech USA)
========================================================================
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DISCLAIMER: Articles and items appearing in QTN represent the
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TRADEMARKS: eValid, HealthCheck, eValidation, TestWorks, STW,
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and TestWorks logo are trademarks or registered trademarks of
Software Research, Inc. All other systems are either trademarks or
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========================================================================
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