The area of Principles of Data Management (PDM) has made crucial contributions to the
development of formal frameworks for understanding and managing data and knowledge …

CSV is a popular Open Data format widely used in a variety of domains for its simplicity and
effectiveness in storing and disseminating data. Unfortunately, data published in this format …

Any system at play in a data-driven project has a fundamental requirement: the ability to load
data. The de-facto standard format to distribute and consume raw data is csv. Yet, the plain …

We consider the information extraction framework known as document spanners and study
the problem of efficiently computing the results of the extraction from an input document …

At the beginning and end of each session, attendance is an important aspect of the daily
classroom evaluation. When using traditional methods such as calling out roll calls or taking …

Regular expressions and automata models with capture variables are core tools in rule-
based information extraction. These formalisms, also called regular document spanners, use …

Regular expressions and automata models with capture variables are core tools in rule-
based information extraction. These formalisms, also called regular document spanners, use …

Rule-based information extraction has lately received a fair amount of attention from the
database community, with several languages appearing in the last few years. Although …

Comma Separated Value (CSV) files are commonly used to represent data. CSV is a very
simple format, yet we show that it gives rise to a surprisingly large amount of ambiguities in …

A document spanner models a program for Information Extraction (IE) as a function that
takes as input a text document (string over a finite alphabet) and produces a relation of …