Graph-Based Semantic Web Service Composition for Healthcare Data Integration

Discovery of semantic Web services is a heavyweight task when the number of Web services or the complexity of ontologies increases. In this paper, we present a new logical discovery framework based on semantic description of the capability of Web services and user goals using F-logic. Our framework tackles the scalability problem and improves discovery performance by adding two prefiltering stages to the discovery engine. The first stage is based on ontology comparison of user request and Web service categories. In the second stage, yet more Web services are eliminated based upon a decomposition and analysis of concept and instance attributes used in Web service capabilities and the requested capabilities of the client, resulting in a much smaller pool of Web services that need to be matched against the client request. Semantic Web has been a popular topic of research since its introduction by Berners-Lee et al. Based on this idea, automation of many tasks on the Internet is facilitated through the addition of machine understandable semantic information to Web resources. For instance, automatic discovery of Web services based on their functionality or composition of Web services which cannot fulfil the user requests individually becomes possible [ 2 ]. In recent years, complexity of conceptual models e.

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A matching algorithm is based on a flexible match approach and can retrieve relevant Keywords: semantic web services; matchmaking; ranking; ontology.

Scientific Research An Academic Publisher. Cardoso and A. Sheth, Eds. Lara, H. Lausen, S. Arroyo, J. McIlraith, T. Son and H. Nixon and E. ID1, Knowledge Web Project,

Heterogeneous Matchmaking Approaches for Semantic Web Service Discovery Using OWL-S

This paper mainly focuses on proposing efficient and extensible matchmaking architecture. Current matchmaking architectures and algorithms lack vision and they are unable to use all available information. However, our proposed architecture uses information such as path-length of the ontological tree nodes and partial results sets for composing required service even no exact match is found.

Semantic-distance information may be used as selection criteria and it provides accuracy in service selection. To define concept-similarity rating by ontology managers or local users may provide a way for service selection.

In the sections above, we have discussed in detail each aspect defined by our service model and their respective matchmaking algorithms. Here, we take our.

This application claims priority to U. Provisional application Ser. This description relates to web services in the in semantic web and, more particularly, to matchmaking of semantic web service behavior using description logics. For example, users may implement or access a software application to obtain a stock quote or an airline reservation, or to manage aspects of a business enterprise.

Particular functions of software applications may be implemented as more or less discrete components, and may thereby be used in a variety of contexts. For instance, the example just given of software for obtaining a stock quote may be implemented in a software component that may then be deployed into many other software applications, such as, for example, a stock price charting tool or a daily stock price reporting tool.

Such re-use of software application components may, among other advantages, increase the efficiency and reliability of the components themselves, and of other applications that make use of the components, as well as reducing software development and maintenance costs. Additionally, discrete software functionality also may be provided by permitting access to the functionality to outside parties, perhaps over a computer network. In particular, a plurality of software applications may interact with one another to provide or share functionality in an efficient and reliable way while minimizing human involvement.

Certain types of software applications are known as application services. A web service may be implemented, for example, such that the web service provides functionality and data to a client, according to a defined interface that governs and defines the interaction between the two parties. Currently, users must cope with large number of web services, and they must do so in a flexible, dynamic, and efficient manner.

Automatic Matchmaking of Web Services

Roberts of Cardiff University, and Gary Lupyan of the University of Wisconsin-Madison — used an algorithm to determine whether translation equivalents really mean the same thing in each language. From a universalist viewpoint, concepts integral to the human condition exist independent of language, and vocabularies are used to name those concepts.

By contrast, a relative perspective states that language vocabularies are influenced by culture, and speakers come to understand concepts, categories, and types while learning the language.

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Within the numerous and heterogeneous web services offered through different sources, automatic web services composition is the most convenient method for building complex business processes that permit invocation of multiple existing atomic services. The current solutions in functional web services composition lack autonomous queries of semantic matches within the parameters of web services, which are necessary in the composition of large-scale related services.

In this paper, we propose a graph-based Semantic Web Services composition system consisting of two subsystems: management time and run time. The management-time subsystem is responsible for dependency graph preparation in which a dependency graph of related services is generated automatically according to the proposed semantic matchmaking rules. The run-time subsystem is responsible for discovering the potential web services and nonredundant web services composition of a user’s query using a graph-based searching algorithm.

The proposed approach was applied to healthcare data integration in different health organizations and was evaluated according to two aspects: execution time measurement and correctness measurement. Web services WS composition is a method used to combine existing WS from heterogeneous systems to build more complicated business processes that match with user requirements. WS composition also accommodates the development of systems capable of automatic execution of multiple individual WS simultaneously [ 1 ].

Semantic matching

With vcpkg on Windows. First step is to download and unpack the source code for the SDK, which you can find at This library also gives you a convenient model for composing asynchronous operations. Connecting to REST server. Instead WinHttpSendRequest comes back with always after 21 seconds when trying with a fake IP as destination not sure how else to simulate. For most client scenarios I really don’t need async io because as I’m waiting for data there really isn’t anything better to do and if there is its in a different thread anyway.

The functionality achieved using async functions can be recreated by combining promises with generators, but async functions give us what we need without any extra boilerplate code.

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UltiMatch-NL applies two filters namely Signature-based and Description-based on different abstraction levels of a service profile to achieve more accurate results. More specifically, the proposed filters rely on semantic knowledge to extract the similarity between a given pair of service descriptions. Thus it is a further step towards fully automated Web service discovery via making this process more semantic-aware. In addition, a new technique is proposed to weight and combine the results of different filters of UltiMatch-NL, automatically.

Moreover, an innovative approach is introduced to predict the relevance of requests and Web services and eliminate the need for setting a threshold value of similarity. The performance evaluation based on standard measures from the information retrieval field shows that semantic matching of OWL-S services can be significantly improved by incorporating designed matching filters. This is an open-access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

The authors would like to thank the Research Management Centre of UTM and the Malaysian government for their support and cooperation including students and other individuals who are either directly or indirectly involved in this project. The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Competing interests: The authors have declared that no competing interests exist.

The advantages of loosely coupled modeling offered by Service Oriented Architecture SOA have made it a superior candidate to serve as a basis for the modern enterprise systems. The services specified using the established standards of SOA are termed as Web services. Its definition can be discovered by other software systems.

Matchmaking of Semantic Web Services Using Semantic-Distance Information

In modern times, several time specifications have been officially. Make rewards more recognizable and relevant for time spent in League. Posted by 1 year ago.

Another interesting research topic in this area is the matchmaking algorithm. Clearly, the discovery of Semantic Web services depends on the semantic match​.

Super Mechs is a war robot game that tests your logic and wit. Problems are not just low tiers. Posts not relating to War Robots here. Usually that notifies kabam to march 8, turn that have 3. Here are a few site rules to remember: Do: Make meaningful edits. Good customer service, community management and constant updates are all key aspects of this approach. All Discussions Nov 14, pm Graphic Settings The hottest is matchmaking and we are still waiting.

War Robots official Discord is now open to everyone. Just as we planned, the feature allowed for a significantly reduced matchmaking time, which is crucial for a mobile game like War Robots.

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This latest version provides significant updates to the existing API, simplifies eager execution, offers a new dataset manager, and more. Each of these resource types also includes an accompanying resource details object that identifies recommended fields for findings providers to populate. Updates were also made to the AwsAccessKey resource details object to include information on principal ID and name. AWS maintains certifications through extensive audits of its controls to ensure that information security risks that affect the confidentiality, integrity, and availability of company and customer information are appropriately managed.

improving server stability and the matchmaking algorithm, queue times will inevitably still exist. Cheap, safe and 24/7 LOL boosting service. These are usually harmless; web browsers, League of Legends and instant messengers, I​’ve written enough about the semantics that you should have a feel for how it works.

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The main shortcoming of the current approaches of publishing and discovering Web service in biomedical informatics, which are basing on WSDL and UDDI, is that lacking of much flexibility and expressiveness in the service descriptions. Hence the algorithm for Web service matchmaking based on semantic is proposed in this paper, in which Web services are described and advertised by OWLS, and experimental results indicates the matchmaking degree is improved between different parameters of Web service description and capability of users’ requirements, which can provide better service choice for the users.

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New Research: Do Translation Equivalents Really Mean the Same Thing?

Services oriented computing is playing a vital role in last decade to develop service oriented distributed computing systems. Web services are reusable software components on the web which can be discovered, fetched, and invoked. With an increase importance towards semantic web services, a challenging task with this domain lies in discovering, composing and then invoking on heterogeneous interface.

per investigates how semantic and Web Services technologies can be used to For a given query or advertisement, Q, the matchmaking algorithm of the.

Neusoft Institute of Information, China, Dalian 1 zhangyang neusoft. The number of Web services are growing at an explosive speed, which brings great challenges to the accurate, efficient and automatic retrieval of target services for users. This paper presents a service discovery method with semantic matchmaking which could be used in remote medical systems. Adding ontology related semantic annotations to service interfaces is considered, and a method of service discovery based on bipartite matching of semantic message similarity is proposed.

The method is easy to implement because it is not limited to specific service model. It also contributes to the improvement of service discovery efficiency when service is retrieved in an automatic way. Network technologies offer new opportunities for wide adaptation of new medical technologies and development of telemedicine or remote medical systems. By making use of these technologies, we can quickly gather information and process it in various ways in order to assist with making diagnosis and treatment decisions immediately and accurately no matter where the patient may geographically be in the world.

According to the features of remote medical solution over the Internet, Service-Oriented Architectures SOA and Web service technologies have been proposed to respond to some interoperability challenges of heterogeneous medical systems. Web service technology incorporates the strengths of distributed computing, grid computing, Extensible Makeup Language XML and so on. The number of Web services is growing at an explosive speed, which brings great challenges to the accurate, efficient and automatic retrieval of target services for users.

Some semantic matchmaking approaches have been proposed to support automatic service discovery [1], [5] – [7], [14].

Jimmy Wales on the Semantic Web