Automatic Web service composition and interoperation. This task involves the automatic selection, composition, and interoperation of Web services to perform some complex task, given a high-level description of an objective. For example, the user may want to make all the travel arrangements for a trip to a conference. Currently, the user must select the web services, specify the composition manually, and make sure that any software needed for the interoperation of services that must share information is custom-created. With owl-s markup of Web services, the information necessary to select and compose services will be encoded at the service web sites. Software can be written to manipulate these representations, together with a specification of the objectives of the task, to achieve the task automatically.
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Currently, this task must be performed by a human who might use a search engine to plan find a service, read the web page, and execute the service manually, to determine if it satisfies the constraints. With owl-s markup of services, the information necessary for Web service discovery could be specified as computer-interpretable semantic markup at the service web sites, and a service registry or ontology-enhanced search engine could be used to locate the services automatically. Alternatively, a server could proactively advertise itself in owl-s with a service registry, also called middle agent 4, 25, 15, so that requesters can find it when they query the registry. Thus, owl-s enables declarative advertisements of service properties and capabilities that can be used for automatic service discovery. Automatic Web service invocation. Automatic Web service invocation is the automatic invocation of an Web service by a computer program or agent, given only a declarative description of that service, as opposed to when the agent has been pre-programmed to be able to call that particular service. This is required, for example, so that a user can request the purchase, from a site found by searching and then selected by that user, of an airline ticket on a particular flight. Execution of a web service can be thought of as a collection of remote procedure calls. Owl-s markup of Web services provides a declarative, computer-interpretable api that includes the semantics of the arguments to be specified when executing these calls, and the semantics of that is returned in messages when the services succeed or fail. A software agent should be able to interpret this markup to understand what input is necessary to invoke the service, and what information will be returned. Owl-s, in conjunction with domain ontologies specified in owl, provides standard means of specifying declaratively apis for Web services that enable this kind of automated Web service execution.
In contrast, complex or 'composite' services are composed of multiple more primitive services, and may require an extended interaction or conversation between the requester and the set of services that are being utilized. One's interaction with m to buy a book is like this; the user searches for books by various criteria, perhaps reads reviews, may or may not decide to buy, and gives credit card and mailing information. Owl-s is meant to support both categories of services, but about complex services have motivated many of the ontology's elements. The following three task types will give the reader an idea of the kinds of tasks we expect owl-s to enable 17,. Automatic Web service discovery. Automatic Web service discovery is an automated process for location of Web services that can provide a particular class of service capabilities, while adhering to some client-specified constraints. For example, the user may want to find a service that sells airline tickets between two given cities and accepts a particular credit card.
We will sometimes shredder refer to the owl-s ontology as a proposal language for describing services, reflecting the fact that it provides a standard vocabulary that can be used together with the other aspects of the owl description language to create service descriptions. This paper reflects the authors' design consensus as of owl-s version.1, which is available. Please note that, in addition to the owl ontology files, the release site includes examples and additional forms of documentation, including, in particular, a code walk-through illustrative of many points in this document, additional explanatory material (in html) regarding the grounding and the use. We will be considering both simple, or atomic services, and complex or "composite" services. Atomic services are ones where a single web-accessible computer program, sensor, or device is invoked by a request message, performs its task and perhaps produces a single response to the requester. With atomic services there is no ongoing interaction between the user and the service. For example, a service that returns a postal code or the longitude and latitude when given an address would be in this category.
The semantic Web should enable users to locate, select, employ, compose, and monitor Web-based services automatically. To make use of a web service, a software agent needs a computer-interpretable description of the service, and the means by which it is accessed. An important goal for Semantic Web markup languages, then, is to establish a framework within which these descriptions are made and shared. Web sites should be able to employ a standard ontology, consisting of a set of basic classes and properties, for declaring and describing services, and the ontology structuring mechanisms of owl provide an appropriate, web-compatible representation language framework within which to do this. This paper describes a collaborative effort by researchers at several organizations to define just such an ontology. We call this ontology owl-s. In what follows, we will first motivate owl-s in terms of some sample tasks that it is designed to support. In the central part of the paper we describe the upper ontology for services that we have developed, including its subontologies for profiles, processes, and groundings. The ontology is still evolving, and making connections to other development efforts, such as those building ontologies of time and resources.
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Users and software agents should be able to discover, invoke, compose, and monitor Web resources offering particular services and having particular properties, and should be able to do so with a high degree of automation if desired. Powerful tools should be enabled by service descriptions, across the rogerian web service lifecycle. Owl-s (formerly daml-s) is an ontology of services that makes these functionalities possible. In this submission we describe the overall structure of the ontology and its three main parts: the service profile for advertising and discovering services; the process model, which gives a detailed description of a service's operation; and the grounding, which provides details on how. Following the layered approach to markup language development, the current version of owl-s builds on the Ontology web Language (OWL) Recommendation produced by the web-Ontology working Group at the world Wide web Consortium. Efforts toward the creation of the semantic Web are gaining momentum. Soon it will be possible to access Web resources by content rather than just by keywords.
A significant force in this movement is the development of a new generation of Web markup languages such advantages as owl 16 and its predecessor damloil 7,. These languages enable the creation of ontologies for any domain and the instantiation of these ontologies in the description of specific Web sites. These languages are also amenable to efficient reasoning procedures and thus reasoning applications can be built to automatically determine the logical consequences of the ontological statements. Among the most important Web resources are those that provide services. By service we mean Web sites that do not merely provide static information but allow one to effect some action or change in the world, such as the sale of a product or the control of a physical device.
Job seekers at Purdue university may find value in the purdue career wiki here. For more information about how to develop a résumé, visit these owl resources. Owl-s: Semantic Markup for Web Services. This version: latest version: authors: david Martin, sri international (editor mark burstein, bbn technologies, jerry hobbs, usc information Sciences Institute. Ora lassila, nokia, drew McDermott, yale University, sheila McIlraith, University of Toronto srini narayanan, International Institute of Computer Science. Massimo paolucci, carnegie mellon University, bijan Parsia, the mind laboratory of the University of Maryland at College park.
Terry payne, university of southampton, evren Sirin, The mind laboratory of the University of Maryland at College park. Naveen Srinivasan, carnegie mellon University, katia sycara, carnegie mellon University jerry hobbs and Srini narayanan were affiliated with sri. International when their work on owl-s was done. sheila McIlraith was affiliated with Stanford University (Knowledge systems Laboratory) for a substantial part of the time that she worked on owl-s. Copyright 2004, france telecom, maryland Information and Network dynamics Lab at the University of Maryland, national Institute of Standards and Technology (nist network Inference, nokia, sri international, Stanford University, toshiba corporation, and University of southampton. This document is available under the. See the W3C Intellectual Rights Notices and Disclaimers for additional information. The semantic Web should enable greater access not only to content but also to services on the web.
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Coordinate with your cover letter. One way to make your application documents a professional package is to match your cover letter and your résumé. You might do this by creating stationery or a letterhead for both documents. For instance, if you use two columns for your addresses and a double line on your résumé header, you might adapt it for the top of your cover letter as well. Make sure to use the same fonts (size also) for both documents. Questions to ask, about you, what are the different ways you may be contacted? How do you prefer to be reached? About the company with or organization, what means of contacting you would be most convenient for the company or organization? Click the link at reviews the top of the page for a sample résumé.
Designing your doing contact information section. Employers will probably look first and last at your contact information section, so it's well worth your time to make this section easy-to-read and appealing to the eye. Whatever design choices you make, try to coordinate them with the rest of your résumé. Here are some specific design options: Use page design strategies to present information in a usable format. For example, to help readers find desired information, you might place your name in a larger font size, center it, boldface it, or anything to make it stand out. If you have a permanent and local address, you might want to play with columns. You may want to add a graphic element such as a horizontal line to help section off your contact information. Make sure the visual does not distract from your textual information.
e-mail address, your permanent address. Your local or campus address (if applicable). Your phone number(s your web address/url, your fax number, etc. Of course, as with the rest of your résumé, you'll want to double-check that all the information you include is current and accurate. Mistyping your phone number could easily cost you an interview! Also, if you list an e-mail address, be sure to check your e-mail regularly or you may miss an important message. If you live on campus, you should provide your campus address. But you may also want to provide your home address.
What is a daddy résumé? A résumé (also spelled resume) is a brief document that summarizes your education, employment history, and experiences that are relevant to your qualifications for a particular job for which you are applying. The purpose of a résumé (along with your cover letter) is to get an interview. Research has shown that it takes an average of ten (10) interviews to receive one (1) job offer, so your résumé needs to be persuasive and perfect. Given this, your résumé must be user-centered and persuasive. The general purpose résumé usually contains four sections: Contact, education, experience, honors, activities, and outreach, writing the contact section of your résumé. This section of your résumé is definitely the easiest to write, but you do have a few options for design and content.
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It's Here: A new look for the proposal purdue owl! The new version of the purdue owl is available at https owl. Our navigation menu and content will remain largely the same. In 12 days, we will be discontinuing owl. Edu and you will be automatically redirected to the new site. This résumé workshop provides detailed explanations, as well step-by-step processes, for creating an effective résumé. The purdue owl also maintains résumé quick tips resources and a résumé powerPoint slide presentation. Please visit those resources for shorter discussions of the resume.