Fuzzy systems have been used widely thanks to their ability to successfully solve a wide
range of problems in different application fields. However, their replication and application …

Uncertainty extensively exists in data and knowledge intensive applications, in which fuzzy
information processing plays a crucial role. Fuzzy sets have been extensively used to …

How to accurately handle querying criteria based on user's preferences has become a key
technology for querying fuzzy spatiotemporal data, typically collected by modern monitoring …

Because increasing requirements of fuzzy spatiotemporal applications are attracting much
attention from both academia and industry, it is challenging to model fuzzy spatiotemporal …

XQuery is a standard language for querying XML (eXtensible Markup Language)
documents. However, in the real life, people normally use uncertain data and want to query …

We have recently designed a fuzzy extension of the XPath language which provides ranked
answers to flexible queries taking profit of fuzzy variants of and, or and avg operators for …

Implemented with a fuzzy logic language by using the FLOPER tool developed in our
research group, we have recently designed a fuzzy dialect of the popular XPath language …

In this paper we review some approaches to flexible querying in XML that apply several
techniques among which Fuzzy Set Theory. In particular we focus on FleXy, a flexible …

In recent years, there has been an increased interest in processing fuzzy queries over XML
data that is also possibly fuzzy. Attention has been paid to various extensions of XML query …

讨论了模糊时空数据查询的概念, 研究了模糊时空数据时态查询, 空间查询,
属性查询和时空查询的各类查询形式及查询特性, 基于XQuery 提出了模糊时空数据查询的统一 …