نتایج جستجو برای: provenance
تعداد نتایج: 6338 فیلتر نتایج به سال:
Provenance is a record that describes the people, institutions, entities, and activities involved in producing, influencing, or delivering a piece of data or a thing. In particular, the provenance of information is crucial in deciding whether information is to be trusted. PROV is a recent W3C specification for sharing provenance over the Web. However, provenance records may expose confidential ...
Microsoft Research, Redmond WA 98052 Abstract The Trident workbench is a platform for composing, executing and managing scientific workflows. While Trident collects provenance in its native provenance model, the third provenance challenge was an opportunity to build support for the Open Provenance Model into Trident. There are several possible approaches to harmonize our native model with OPM, ...
Large-scale sensor systems are helpful in various application areas, and the information they gather are utilized as a part of decision making for basic foundations. Information is surged from numerous sources through intermediate nodes that aggregate the data. A malicious opponent may enter with the data by introducing additional nodes in the network. Information provenance is a key component ...
Data on the Semantic Web currently does not have any standardized or any de-facto agreed upon way to exhibit provenance information, yet provenance is the foundation for any reasonable model of privacy and trust. Yet, currently every RDF triple does not have any coherent way of storing provenance information on the Semantic Web. We present the hypothesis that provenance is by far the most impor...
Data provenance refers to the historical record of the derivation of the data, allowing the reproduction of experiments, interpretation of results and identification of problems through the analysis of the processes that originated the data. Data provenance contributes to the evaluation of experiments. This paper presents a framework for data provenance using the W3C provenance data model, call...
Provenance about workflow executions and data derivations in scientific applications help estimate data quality, track resources, and validate in silico experiments. The Karma provenance framework provides a means to collect workflow, process, and data provenance from data-driven scientific workflows and is used in the Linked Environments for Atmospheric Discovery (LEAD) project. This paper pre...
Provenance is a metadata that describes where and why an object came to be in its present state. There are many security issues in the applications that uses provenance. Major factor is that the application data and the provenance does not share the same access control. Cloud Computing allows the users to host, develop and use the application through the internet. The services of the cloud comp...
Network accountability, forensic analysis, and failure diagnosis are becoming increasingly important for network management and security. Network provenance significantly aids network administrators in these tasks by explaining system behavior and revealing the dependencies between system states. Although resourceful, network provenance can sometimes be too rich, revealing potentially sensitive...
A new class of data management systems that operate on highvolume streaming data is becoming increasingly important. As this kind of systems has to process unpredictable streaming data in real-time and deliver instantaneous responses, it becomes very difficult to precisely validate stream processing results in timely manner, verify stream computation that took place and investigate processing s...
Web resources, such as publications, datasets, pictures and others can be directly linked to their provenance data, as described in the specification about Provenance Access and Query (PROV-AQ) by the W3C. On its own, this approach places all responsibility with the publisher of the resource, who hopefully maintains and publishes provenance information. In reality, however, most publishers lack...
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