AIMS To describe the proportion of glucose tests with unrecorded provenance in routine primary care data and identify the impact on clinical practice. METHODS A cross-sectional analysis was conducted of blood glucose measurements from the Royal College of General Practitioner Research and Surveillance Centre database, which includes primary care records from >100 practices across England and ...

Provenance is well-understood for relational query operators. Increasingly, however, data analytics is incorporating operations expressed through linear algebra: machine learning operations, network centrality measures, and so on. In this paper, we study provenance information for matrix data and linear algebra operations. Our core technique builds upon provenance for aggregate queries and cons...

In Computer Science, Provenance also known as lineage and pedigree describe the source and derivation of data. Data provenance is key to the management of scientific data and has recently been recognized as central to the trust one places in data. This paper focus attention on the importance and difficulty of provenance tracking in practice. We discuss a taxonomy of data provenance characterist...

Automatic provenance collection describes systems that observe processes and data transformations inferring, collecting, and maintaining provenance about them. Automatic collection is a powerful tool for analysis of objects and processes, providing a level of transparency and pervasiveness not found in more conventional provenance systems. Unfortunately, automatic collection is also difficult. ...

We describe a provenance model tailored to scientific workflows based on the CollectionOriented Modeling and Design paradigm. Our implementation within the Kepler scientific workflow system captures the dependencies of data and collection creation events on preexisting data and collections, and embeds these provenance records within the data stream. A provenance query engine operates on self-co...

Different notions of provenance for database queries have been proposed and studied in the past few years. In this article, we detail three main notions of database provenance, some of their applications, and compare and contrast amongst them. Specifically, we review why, how, and where provenance, describe the relationships among these notions of provenance, and describe some of their applicat...

Web pages are regularly constructed through combining content from multiple providers (e.g. photos from Flickr, quotes from the New York Times). As a result, it is often difficult for users and programmers to retrieve the provenance of a web page. Here, we present a JavaScript library, ProvenanceJS, that allows for the retrieval and visualization of the provenance information within a Web page ...

Provenance analysis of sediments is aimed at reconstructing the parent-rock assemblages of sediments and the climaticphysiographic conditions under which sediments formed. Inferring sediment provenance from the final product, a basin fill, is anything but straightforward because the detrital spectrum evolves as the sediment is transported along the pathway from source to basin. Successful prove...

The Web is evolving from a global information space to a collaborative problem solving environment in which services (resources) are dynamically discovered and composed into workflows for problem solving, and later disbanded. This gives rise to an increasing demand for provenance, which enables users to trace how a particular result has been arrived at by identifying the resources, configuratio...

Scientific workflows have become increasingly important for enabling and accelerating many scientific discoveries. More and more scientists and researchers rely on workflow systems to integrate and structure various local and remote heterogeneous data and services to perform in silico experiments. In order to support understanding, validation, and reproduction of scientific results, provenance ...