Tom Stuart

Finally, you can learn computation theory and programming language design in an engaging, practical way. Understanding Computation explains theoretical computer science in a context you’ll recognize, helping you appreciate why these ideas matter and how they can inform your day-to-day programming. Rather than use mathematical notation or an unfamiliar academic programming language like Haskell or Lisp, this book uses Ruby in a reductionist manner to present functional programming and lambda calculus. It’s ideal for programmers versed in modern languages, with little or no formal training in computer science. Discover the theoretical underpinnings of your work with Understanding Computation. Learn fundamental computing concepts, such as Turing equivalence in languages Discover how programs can handle difficult or impossible problems Explore how many features a programming language needs Examine how computers can help you write correct programs Understand how to build data structures without mutation of state Learn how programmers can make a simple language like the lambda calculus actually run on a computer

Impossible Code and the Meaning of Programs

Understanding Computation

IBM Redbooks

Whei-Jen Chen

Ben Davies

Jan den Hartog

Ben Antin

Kevin Bowe

Daniel Ouimet

Organizations face many challenges in managing ever-increasing documents that they need to conduct their businesses. IBM® content management and imaging solutions can capture, store, manage, integrate, and deliver various forms of content throughout an enterprise. These tools can help reduce costs associated with content management and help organizations deliver improved customer service. The advanced document capture capabilities are provided through IBM Datacap software. This IBM Redbooks® publication focuses on Datacap components, system architecture, functions, and capabilities. It explains how Datacap works, how to design a document image capture solution, and how to implement the solution using Datacap Developer Tools, such as Datacap FastDoc (Admin). FastDoc is the development tool that designers use to create rules and rule sets, configure a document hierarchy and task profiles, and set up a verification panel for image verification. A loan application example explains the advanced technologies of IBM Datacap Version 9. This scenario shows how to develop a versatile capture solution that is able to handle both structured and unstructured documents. Information about high availability, scalability, performance, backup and recovery options, preferable practices, and suggestions for designing and implementing an imaging solution is also included. This book is intended for IT architects and professionals who are responsible for creating, improving, designing, and implementing document imaging solutions for their organizations.

Implementing Document Imaging and Capture Solutions with IBM Datacap

The IBM® Datacap Accounts Payable Capture application is a learning application. Using a number of techniques, it has the ability to learn new instances of known documents when they are introduced into the system. The Accounts Payable Capture workflow can be used for many types of documents and applications, not just invoices. This IBM RedpaperTM publication discusses the role that IBM Datacap Accounts Payable Capture plays in Accounts Payable (AP). You are introduced to the different jobs in the workflow and examine the task profiles, rulesets, rules, functions, and actions that make it work. This paper guides you through the IBM Datacap Accounts Payable Capture application. The application is called a foundation application because it is used as a starting point for capturing complex machine-printed forms, such as invoices, that might contain line items. Because Accounts Payable Capture is continually evolving with new technologies and techniques, your version of the product might differ slightly from what is shown in this paper. However, most of the techniques described in this paper are applicable to any version of the product. After you have gained an understanding of how these technologies interact, you will be able to apply them to other data capture scenarios needing similar capabilities.

IBM Datacap Accounts Payable Capture

This book is for programmers who are curious about programming languages and the theory of computation, especially those who don't have a formal background in mathematics or computer science. It's for those who are interested in the mind-expanding parts of computer science that deal with programs, languages, and machines, but are discouraged by the mathematical language that's often used to explain them. Instead of complex notation, the book uses working code to illustrate theoretical ideas and turn them into interactive experiments that readers can explore at their own pace.

Tom Stuart

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