Extensible markup language (XML) is emerging as a de facto standard for information
exchange among various applications on the World Wide Web. There has been a growing …

Streaming XPath evaluation algorithms must record a potentially exponential number of
pattern matches when both predicates and descendant axes are present in queries, and the …

Efficiently processing continuous k-nearest neighbor queries on data streams is important in
many application domains, eg for network intrusion detection. Usually not all valid data …

Detecting complex patterns in event streams, ie, complex event processing (CEP), has
become increasingly important for modern enterprises to react quickly to critical situations. In …

To study the data dependencies over heterogeneous data in dataspaces, we define a
general dependency form, namely comparable dependencies (CDS), which specifies …

XML is currently the most popular format for exchanging and representing data on the web. It
is used in various applications and for different types of data including structured …

Effective buffer management is crucial for efficient in-memory and streaming XQuery
processing. We propose a buffer management scheme which combines static and dynamic …

An XML publish/subscribe system needs to filter a large number of queries over XML
streams. Most existing systems only consider filtering the simple XPath statements. In this …

This paper presents a new approach to detect pedestrians using a time-of-flight range
camera, for applications in car safety and assistive navigation of the visually impaired. Using …

Provenance has become increasingly important in scientific workflows to understand, verify,
and reproduce the result of scientific data analysis. Most existing systems store provenance …