Cows an internet enriched and quality aware web services search engine pdf

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Dynamic selection mechanism for quality of service aware web services. A web service is an interface of the software component that can be accessed by standard Internet protocols. The web service technology enables an application to application communication and interoperability.

The increasing number of web service providers throughout the globe have produced numerous web services providing the same or similar functionality. This necessitates the use of tools and techniques to search the suitable services available over the Web. UDDI universal description, discovery and integration is the first initiative to find the suitable web services based on the requester's functional demands.

However, the requester's requirements may also include non-functional aspects like quality of service QoS. In this paper, the authors define a QoS model for QoS aware and business driven web service publishing and selection. The authors propose a QoS requirement format for the requesters, to specify their complex demands on QoS for the web service selection. The authors define a tree structure called quality constraint tree QCT to represent the requester's variety of requirements on QoS properties having varied preferences.

The paper proposes a QoS broker based architecture for web service selection, which facilitates the requesters to specify their QoS requirements to select qualitatively optimal web service. A web service selection algorithm is presented, which ranks the functionally similar web services based on the degree of satisfaction of the requester's QoS requirements and preferences. The paper defines web service provider qualities to distinguish qualitatively competitive web services.

The paper also presents the modelling and selection mechanism for the requester's alternative constraints defined on the QoS. The authors implement the QoS broker based system to prove the correctness of the proposed web service selection mechanism. This article presents the proposal of a social network site SocialNetLab that belongs to the Department of Computing-Federal University of Sergipe and which aims to locate and notify users of a nearby friend independently of the location technology available in the equipment through dynamic Web Service ; to serve as a laboratory for research in….

Biological Web Service Repositories Review. PubMed Central. Abstract Web services play a key role in bioinformatics enabling the integration of database access and analysis of algorithms.

However, Web service repositories do not usually publish information on the changes made to their registered Web services. Dynamism is directly related to the changes in the repositories services registered or unregistered and at service level annotation changes. Freshness is introduced in this paper, and has been used as the measure for the dynamism of these repositories. Government transcends all sectors in a society. It provides not only the legal, political and economic infrastructure to support other sectors, but also exerts significant influence on the social factors that contribute to their development.

With its maturity of technologies and management, e-government will eventually enter into the time of 'one-stop' services. Among others, the technology of Web services is the major contributor to this achievement. Web services provides a new way of standard-based software technology, letting programmers combine existing computer system in new ways over the Internet within one business or across many, and would thereby bring about profound and far-reaching impacts on e-government.

This paper introduced the business modes of e-government, architecture of dynamic e-government and its key technologies. Finally future prospect of dynamic e-government was also briefly discussed. Web services play a key role in bioinformatics enabling the integration of database access and analysis of algorithms. Thus, users, software clients or workflow based approaches lack enough relevant information to decide when they should review or re-execute a Web service or workflow to get updated or improved results.

The dynamism of the repository could be a measure for workflow developers to re-check service availability and annotation changes in the services of interest to them. This paper presents a review on the most well-known Web service repositories in the life sciences including an analysis of their dynamism. This paper describes the development of a sensor web based approach which combines earth observation and in situ sensor data to derive typical information offered by a dynamic web mapping service WMS.

A prototype has been developed which provides daily maps of vegetation productivity for the Netherlands with a spatial resolution of m. This paper presents the vegetation productivity model, the sensor data sources and the implementation of the automated processing facility.

Finally, an evaluation is made of the opportunities and limitations of sensor web based approaches for the development of web services which combine both satellite and in situ sensor sources. The GEO label is designed to communicate, and facilitate interrogation of, geospatial quality information with a view to supporting efficient and effective dataset selection on the basis of quality, trustworthiness and fitness for use.

The GEO label which we propose was developed and evaluated according to a user-centred design UCD approach in order to maximise the likelihood of user acceptance once deployed. The resulting label is dynamically generated from producer metadata in ISO or FDGC format, and incorporates user feedback on dataset usage, ratings and discovered issues, in order to supply a highly informative summary of metadata completeness and quality.

The design of the GEO label was based on 4 user studies conducted to: 1 elicit initial user requirements; 2 investigate initial user views on the concept of a GEO label and its potential role; 3 evaluate prototype label visualizations; and 4 evaluate and validate physical GEO label prototypes.

The results of these studies indicated that users and producers support the concept of a label with drill-down interrogation facility, combining eight geospatial data informational aspects, namely: producer profile, producer comments, lineage information, standards compliance, quality information, user feedback, expert reviews, and citations information.

These are delivered as eight facets of a wheel. Flexible Web services integration: a novel personalised social approach. Dynamic composition or integration remains one of the key objectives of Web services technology.

This paper aims to propose an innovative approach of dynamic Web services composition based on functional and non-functional attributes and individual preferences. In this approach, social networks of Web services are used to maintain interactions between Web services in order to select and compose Web services that are more tightly related to user's preferences. We use the concept of Web services community in a social network of Web services to reduce considerably their search space.

These communities are created by the direct involvement of Web services providers. Composition of web services using Markov decision processes and dynamic programming. Iterative policy evaluation, value iteration, and policy iteration algorithms are used to experimentally validate our approach, with artificial and real data.

The experimental results show the reliability of the model and the methods employed, with policy iteration being the best one in terms of the minimum number of iterations needed to estimate an optimal policy, with the highest Quality of Service attributes.

Moreover, a real WSC problem involving only 7 individual Web services requires less than 0. Finally, a comparison with two popular reinforcement learning algorithms, sarsa and Q-learning, shows that these algorithms require one or two orders of magnitude and more time than policy iteration, iterative policy evaluation, and value iteration to handle WSC problems of the same complexity.

The EMBRACE European Model for Bioinformatics Research and Community Education web service collection is the culmination of a 5-year project that set out to investigate issues involved in developing and deploying web services for use in the life sciences. The project concluded that in order for web services to achieve widespread adoption, standards must be defined for the choice of web service technology, for semantically annotating both service function and the data exchanged, and a mechanism for discovering services must be provided.

This article presents the current status of the collection and its associated recommendations and standards definitions. Dynamic Web data sources--sometimes known collectively as the Deep Web --increase the utility of the Web by providing intuitive access to data repositories anywhere that Web access is available. Deep Web services provide access to real-time information, like entertainment event listings, or present a Web interface to large databases or other data repositories. Recent studies suggest that the size and growth rate of the dynamic Web greatly exceed that of the static Web , yet dynamic content is often ignored by existing search engine indexers owing to the technical challenges that arise when attempting to search the Deep Web.

DynaBot has three unique characteristics. First, DynaBot utilizes a service class model of the Web implemented through the construction of service class descriptions SCDs.

Second, DynaBot employs a modular, self-tuning system architecture for focused crawling of the Deep Web using service class descriptions. Third, DynaBot incorporates methods and algorithms for efficient probing of the Deep Web and for discovering and clustering Deep Web sources and services through SCD-based service matching analysis.

Our experimental results demonstrate the effectiveness of the service class discovery, probing, and matching algorithms and suggest techniques for efficiently managing service discovery in the face of the immense scale of the Deep Web.

MedlinePlus Connect: Web Service. Web Service Overview The parameters for the Web service Distributed spatial information integration based on web service. Spatial information systems and spatial information in different geographic locations usually belong to different organizations.

They are distributed and often heterogeneous and independent from each other. This leads to the fact that many isolated spatial information islands are formed, reducing the efficiency of information utilization. In order to address this issue, we present a method for effective spatial information integration based on web service. The method applies asynchronous invocation of web service and dynamic invocation of web service to implement distributed, parallel execution of web map services.

All isolated information islands are connected by the dispatcher of web service and its registration database to form a uniform collaborative system. According to the web service registration database, the dispatcher of web services can dynamically invoke each web map service through an asynchronous delegating mechanism. All of the web map services can be executed at the same time. When each web map service is done, an image will be returned to the dispatcher. After all of the web services are done, all images are transparently overlaid together in the dispatcher.

Thus, users can browse and analyze the integrated spatial information. Experiments demonstrate that the utilization rate of spatial information resources is significantly raised thought the proposed method of distributed spatial information integration. Crop simulation models are efficient tools for simulating crop growth processes and yield. Running crop models requires data from various sources as well as time-consuming data processing, such as data quality checking and data formatting, before those data can be inputted to the model.

It makes the use of crop modeling limited only to crop modelers. We aim to make running crop models convenient for various users so that the utilization of crop models will be expanded, which will directly improve agricultural applications. It predicts rice yields based on a planting date, rice's variety and soil characteristics using DSSAT crop model. A user only needs to select a planting location on the Web GUI then the system queried historical weather data from available sources and expected yield is returned.

Weather data can be automatically connected to a weather generator for generating weather scenarios for running the crop model. In order to expand these services further, we are designing a web service framework consisting of layers of web services to support compositions and executions for running crop simulations. This framework allows a third party application to call and cascade each service as it needs for data preparation and running DSSAT model using a dynamic web service mechanism.

The framework has a module to manage data format conversion, which means users do not need to spend their time curating the data inputs. This agriculture web service platform demonstrates interoperability of weather data using SOS interface, convenient connections between weather data sources and weather generator, and connecting. Web servicing the biological office. Biologists routinely use Microsoft Office applications for standard analysis tasks.

Despite ubiquitous internet resources, information needed for everyday work is often not directly and seamlessly available. Here we describe a very simple and easily extendable mechanism using Web Services to enrich standard MS Office applications with internet resources. We demonstrate its capabilities by providing a Web -based thesaurus for biological objects, which maps names to database identifiers and vice versa via an appropriate synonym list.

Semantic Search of Web Services. This dissertation addresses semantic search of Web services using natural language processing.

We first survey various existing approaches, focusing on the fact that the expensive costs of current semantic annotation frameworks result in limited use of semantic search for large scale applications.

Assessing Software Quality through Web Comment Search and Analysis

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Web services are becoming prevalent nowadays. Finding desired Web services is becoming an emergent and challenging research problem. View on IEEE.

When reusing software resources appearing on the Internet, developers often encounter the problem that it is hard to know the quality of candidate software. In this case, developers usually want to search and find referable user comment on the Internet. To assist this process, we proposed a textual comment based software quality assessment approach in this paper. It could search and collect the user comments of the software resource on the Internet automatically. Furthermore, the sentiment polarity positive or negative of a comment is identified and all the comments are classified into positive or negative collection. Then the quality aspects which the comment talks about are extracted so as to draw out the merits and drawbacks of software resources. With these information, developers can do candidate software selection easier and quicker in the software repository.

Efforts to change the way we think—and to enhance our cognitive capacity—are ancient. Brain enhancers come in several varieties. They can be either hardware or software, and they can be either internal or external to our bodies. External hardware includes things like cave paintings, written documents, eyeglasses, wristwatches, wearable computers, or brain-controlled machines. Internal hardware includes things like mind-altering substances, cochlear implants, or intra-cranial electrical stimulation. Internal software includes things like education, meditation, mnemonics, and cognitive therapy.


Download Citation | CoWS: An Internet-Enriched and Quality-Aware Web Services Search Engine In this paper, we present a novel Web services search engine named CoWS, which enriches Request Full-text Paper PDF.


WSExpress: A QoS-aware Search Engine for Web Services

Dynamic selection mechanism for quality of service aware web services. A web service is an interface of the software component that can be accessed by standard Internet protocols. The web service technology enables an application to application communication and interoperability. The increasing number of web service providers throughout the globe have produced numerous web services providing the same or similar functionality.

It is a large, disjointed reservoir of. But again Web service is syntactically rich, not semantically,. In this chapter we discuss these. Semantic Web services. We also discuss logic, specially the description.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Muthamizharasan, International Journal of Computer Sciences and Engineering , 4 4 ,

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When reusing software resources appearing on the Internet, developers often encounter the problem that it is hard to know the quality of candidate software. In this case, developers usually want to search and find referable user comment on the Internet. To assist this process, we proposed a textual comment based software quality assessment approach in this paper. It could search and collect the user comments of the software resource on the Internet automatically. Furthermore, the sentiment polarity positive or negative of a comment is identified and all the comments are classified into positive or negative collection. Then the quality aspects which the comment talks about are extracted so as to draw out the merits and drawbacks of software resources. With these information, developers can do candidate software selection easier and quicker in the software repository.

Other questions to the experts in this canvassing invited their views on the hopeful things that will occur in the next decade and for examples of specific applications that might emerge. What will human-technology co-evolution look like by ? Participants in this canvassing expect the rate of change to fall in a range anywhere from incremental to extremely impactful. Generally, they expect AI to continue to be targeted toward efficiencies in workplaces and other activities, and they say it is likely to be embedded in most human endeavors. The greatest share of participants in this canvassing said automated systems driven by artificial intelligence are already improving many dimensions of their work, play and home lives and they expect this to continue over the next decade.

Efforts to change the way we think—and to enhance our cognitive capacity—are ancient. Brain enhancers come in several varieties. They can be either hardware or software, and they can be either internal or external to our bodies. External hardware includes things like cave paintings, written documents, eyeglasses, wristwatches, wearable computers, or brain-controlled machines. Internal hardware includes things like mind-altering substances, cochlear implants, or intra-cranial electrical stimulation. Internal software includes things like education, meditation, mnemonics, and cognitive therapy.

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