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Web spiders are software agents that traverse the Internet gathering, filtering, and potentially aggregating information for a user. This article shows you how to build spiders and scrapers for Linux to crawl a Web site and gather information, stock data, in this case. Using common scripting languages and their collection of Web modules, you can easily develop Web spiders.

IBM PLACESadmin helps developers to create, modify, and manage indoor, location-based Web applications through a simple-to-use, Internet-based Web interface. The term PLACES stands for Point-of-interest, Locations, and Assest Catalog for Enterprise Services.

Continue learning about the new important standard for content publishing in Part 2 of the Atom Publishing Protocol (APP). In Part 1 you are presented with a brief walk-through of APP, and this article allows you to interact with a number of real-world deployed applications, by demonstrating how you can use it to.

XForms is an ideal open standards technology for collecting and submitting data from a wide variety of Web-capable platforms. Using JavaScript to edit the DOM with XForms allows a single form to accommodate multiple, site-unique submission requirements.

A bundled package that enables developers with no Java skills to create database-driven Web applications on WebSphere Application Server (CE) and an Eclipse-based Lotus Component Designer.

In Part 1 of the HRRG series you learned the creation of the HRRG and how you can be involved. Now in Part 2 learn how to partition the system, trading off between implementation complexity, granularity, and flexibility, while also minimizing the bandwidth required to communicate among the various modules.

Place your computer on the leading edge of cathartic interfaces by modifying the kernel to reset your Linux laptop automatically when shaken during a kernel panic. Implement a shake-detection algorithm in the kernel and user space to perform automatic shutdowns and restarts when certain kinetic conditions are met.

A set of Eclipse plug-ins that integrate the Cell BE tool chain and enable rapid, more user-friendly, building of Cell BE applications on Linux. Elements in the design of the cell chip are expected in IBM’s future server chips, and could end up inside the PlayStation 3. See the SDK step-by-step instructions on how to create, build, and run POWER processing Unit (PPU)- and Synergistic Processor Unit (SPU) – managed make projects.

This introductory walk-through provides an introduction to some of the main features of the Cell IDE for Eclipse and step-by-step instructions on how to create, build, and run POWER Processing Unit (PPU)- and Synergistic Processor Unit (SPU)-managed make projects. Elements in the design of the cell chip are expected in IBM’s future server chips, and could end up inside the PlayStation 3.

Learn the basics of developing HTML widgets using Dojo; including how to refer an image, how to add an event handler to an HTML page, and how to handle composite widgets. Also, discover important differences between plain old JavaScript-style coding versus using Dojo.

In this article see how HAL 9000, the computer in the 2001: A Space Odyssey movie could predict equipment failure, answer personal questions, learn to sing "Bicycle built for Two," and go insane, based on IBM Build to Manage Toolkit components. Also, see how autonomic computing can be implemented today; determine if there is such a thing as a Hofstadter-Moebius loop in programming; and discover the meaning of HAL.

Applications for graphical visualization of data on Linux are varied. Explore a variety of open source data visualization tools such as gnuplot, GNU Octave, Scilab, MayaVi, and Maxima to better decide which is best for your application. Each has its advantages and disadvantages and targets different applications.

The Data Access Service (DAS) for IBM WebSphere Product Center (WPC) is a Web service that provides an "out-of-the-box" way to access and manipulate WPC data. Using technologies like the Web Service Definition Language (WSDL), Service Data Objects (SDOs), and XPath, the DAS for WPC provides customers with a standard-based means of SOA-enabling their WPC system.

New WebSphere Application Server Community Edition Version 1.1 is now available for download. Version 1.1 preintegrates Tomcat and offers support for Ajax, PHP, and JSE 1.5 to accelerate your application development.

Setuptools framework, a side project of PEAK, provides easier package management and distribution than distutils. Setuptools lets you package your libraries in a single-file archive called an "egg," similar to Java JAR file, but for Python. Like the Perl CPAN and Ruby Gems tools, the ez_setup tool bootstraps the rest of setuptools. The ez_install tool that comes with it does the same thing in conjunction with "Cheeseshop" (PyPI).

Steve Longoria, IBM vice president of Semiconductor Platforms, discusses the collaboration among IBM, Chartered, and Samsung in the open Common Platform technology initiative, and how the move is shaking up the industry's traditional closed model.

Most UNIX and Linux programs are built by running make. Make and utilities like it are fundamental tools for streamlining the application build process. Learn the structure of the makefile, how to avoid common mistakes in its creation, and how to solve or work around portability issues and other problems as they crop up.

In this series of articles we'll examine the existing and emerging technologies that enable machines and humans to easily access the wealth of Web-published data. In this first article, you meet the human-computer conflict, learn the criteria used to evaluate different technologies, and find a brief description of the major techniques used today to enable machine-human coexistence on the Web.

Security plug-ins bring new versatility to your database security setup in IBM DB2 9. Read this article to determine what should be tested before deploying your own customized security plug-ins. Accompanying this article, there is a security plug-in loader program for AIX 64 bit, Linux AMD 64 bit, Linux AMD 32 bit, Linux IA 32 bit, and Sun Solaris 64 bit operating system platforms.

Between IP litigation and ever greater demands for "baseline" functionality that requires licensing, developing new products has become a treacherous minefield. In this article, Lewin Edwards outlines the dangers making it harder for engineers to get out there and build something.