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| <a name="Welcome to Apache UIMA"><strong>Welcome to Apache UIMA</strong></a> |
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| <blockquote> |
| <p>NOTE: DRAFT REVISION</p> |
| <p> |
| Welcome to Apache UIMA, a project of the |
| <a href="http://incubator.apache.org/">Apache incubator</a>. Our goal is |
| to create and sustain a thriving community of users and developers of |
| UIMA frameworks which support |
| components for analysing unstructured content such as text, |
| audio and video. |
| </p> |
| <h2>What is UIMA?</h2> |
| <p>UIMA is the name of a component-based architecture designed to facilitate building |
| applications that extract structured information from unstructured artificats (e.g. |
| text, videos, etc.). |
| </p> |
| <h3>Apache UIMA</h3> |
| <p>Apache UIMA is a Java implementation of the UIMA framework, plus tooling, examples, and |
| documentation, all licensed under the Apache version 2.0 license. Soon we expect to include |
| also a C++ implementation of the UIMA framework, |
| which efficiently interoperates with the Java version; this version also has |
| add-ons which enable calling Analysis Engine components that are written in |
| popular scripting languages such as Python, Perl, and TCL.</p> |
| <h4>UIMA is working!</h4> |
| <p>Organizations that previously were using or developing stand-alone, |
| complex solutions are switching to using the UIMA |
| framework to assemble components such as language identifiers, language parsers, named-entity |
| detectors, video scene detectors, audio speech recognizers, etc., into new solutions.</p> |
| <p>A few things differentiate UIMA from other component framework architectures; here is a |
| simplified view of the central concepts:</p> |
| <ul><li>There is a subject-of-analysis, which is an unstructured information artifact</li> |
| <li>This artifact and the structured information extracted are kept in an object |
| called the Common Analysis System (CAS) having a standardized interface to it; |
| this object passed from component to component, in a pipeline.</li> |
| <li>Each component implements the same fixed API interface, which the framework uses to |
| initialize and process instances of the CAS through the component.</li> |
| <li>all components have XML-formatted metadata to enable tooling for development and |
| deployment.</li> |
| </ul> |
| <p>Unstructured Information Management applications are software systems |
| that analyze large volumes of unstructured information in order to |
| discover knowledge that is relevant to an end user. UIMA is a |
| framework and SDK for developing such applications. An example UIM |
| application might ingest plain text and identify entities, such as |
| persons, places, organizations; or relations, such as works-for or |
| located-at. UIMA enables such an application to be decomposed into |
| components, for example "language identification" >> "language |
| specific segmentation" >> "sentence boundary detection" >> "entity |
| detection (person/place names etc.)". Each component must implement |
| interfaces defined by the framework and must provide self-describing |
| metadata via XML descriptor files. The framework manages these |
| components and the data flow between them. Components are written in |
| Java or C++; the data that flows between components is designed for |
| efficient mapping between these languages. UIMA additionally provides |
| capabilities to wrap components as network services, and can scale to |
| very large volumes by replicating processing pipelines over a cluster |
| of networked nodes. |
| </p> |
| <p>Apache UIMA is an open source implementation of the UIMA specification |
| (that specification is, in turn, being |
| developed concurrently by a technical committee |
| within <a href="http://www.oasis-open.org">OASIS</a>, a standards organization). |
| We invite and encourage you to participate in both the implementation and specification efforts. |
| </p> |
| <h2>How is this project related to earlier UIMA development?</h2> |
| <p>UIMA has been released on IBM's <a href="http://www.alphaworks.ibm.com/tech/uima"> |
| alphaWorks</a> previously. You can find there versions 1.4 and a beta level of |
| version 2.0. |
| </p> |
| <p>Apache UIMA (this project) will continue development of UIMA, using the Apache |
| Open Source development model - all are welcome to join and participate. |
| The first version we plan to release within the Apache Incubator will be |
| version 2.1; we're working hard on this and hope to be able to release this |
| sometime very early next year.</p> |
| </blockquote> |
| </p> |
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| <a name="Incubator Notice and Disclaimer"><strong>Incubator Notice and Disclaimer</strong></a> |
| </font> |
| </td></tr> |
| <tr><td> |
| <blockquote> |
| <p> |
| <i>Note</i> : Apache UIMA is an effort undergoing incubation at the |
| Apache Software Foundation (ASF). Incubation is required of all newly |
| accepted projects until a further review indicates that the infrastructure, |
| communications, and decision making process have stabilized in |
| a manner consistent with other successful ASF projects. While |
| incubation status is not necessarily a reflection of the completeness |
| or stability of the code, it does indicate that the project has yet to be |
| fully endorsed by the ASF. |
| </p> |
| </blockquote> |
| </p> |
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| <a name="UIMA News"><strong>UIMA News</strong></a> |
| </font> |
| </td></tr> |
| <tr><td> |
| <blockquote> |
| <p> |
| <strong>November, 2006: UIMA has been accepted into the Apache Incubator.</strong> |
| Work begins on converting the previous code base to Apache standards. |
| </p> |
| </blockquote> |
| </p> |
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| Copyright © 2006-2008, The Apache Software Foundation |
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