Provenance refers to the entire amount of information, comprising all the elements and their
relationships, that contribute to the existence of a piece of data. The knowledge of …

摘要随着数据采集和处理技术的进步, 人们对数据的不确定性的认识也逐步深入. 在诸如经济,
军事, 物流, 金融, 电信等领域的具体应用中, 数据的不确定性普遍存在. 不确定性数据的表现形式 …

In recent years, a number of indirect data collection methodologies have lead to the
proliferation of uncertain data. Such data points are often represented in the form of a …

Conventional keyword search engines are restricted to a given data model and cannot
easily adapt to unstructured, semi-structured or structured data. In this paper, we propose an …

This chapter covers the Trio database management system. Trio is a robust prototype that
supports uncertain data and data lineage, along with the standard features of a relational …

SciDB is an open-source analytical database oriented toward the data management needs
of scientists. As such it mixes statistical and linear algebra operations with data management …

As humans, we have expectations for the results of any action, eg we expect at least one
student to be returned when we query a university database for student records. When these …

Provenance, ie, the origin or source of something, is becoming an important concern, since it
offers the means to verify data products, to infer their quality, to analyse the processes that …

This paper introduces uldb s, an extension of relational databases with simple yet
expressive constructs for representing and manipulating both lineage and uncertainty …

Data uncertainty is inherent in applications such as sensor monitoring systems, location-
based services, and biological databases. To manage this vast amount of imprecise …