The goal of the PADS project, which started in 2001, is to make it easier for data analysts to
extract useful information from ad hoc data files. This paper does not report new results, but …

Relational XQuery systems try to re-use mature relational data management infrastructures
to create fast and scalable XML database technology. This paper describes the main …

PADS is a declarative data description language that allows data analysts to describe both
the physical layout of ad hoc data sources and semantic properties of that data. From such …

Consider an ordered, static tree T where each node has a label from alphabet Σ. Tree T may
be of arbitrary degree and shape. Our goal is designing a compressed storage scheme of T …

A number of techniques have been developed to facilitate powerful data retrieval on the
Web and Semantic Web. Three categories of Web query languages can be distinguished …

(57) ABSTRACT A new continuous query to a data stream management system (DSMS)
may use a stream or a relation which may or may not be used by continuous queries …

Relational database systems may be turned into efficient XML and XPath processors if the
system is provided with a suitable relational tree encoding. This paper extends this relational …

XML 已经成为网络上信息描述和信息交换的标准. 由于网络上信息的本质特性和XML
数据内在的灵活性, 很多用XML 编码的数据都是半结构化的. 随着XML 应用得越来越广泛 …

............. 714/15 lence, the DSMS modi? es a global plan being executed, to use at least an
existing subtree of operators during execution of the neW continuous query, to generate a …

Implementations that load XML documents and give access to them via, eg, the DOM, suffer
from huge memory demands: the space needed to load an XML document is usually many …