This old shack

Is this NE tagger getting old?

This paper focuses on the influence of changing the text time frame on the performance of a named entity tagger. We followed a twofold approach to investigate this subject: on the one hand, we analyzed a corpus that spans 8 years, and, on the other hand, we assessed the performance of a name tagger trained and tested on that corpus. We created 8 samples from the corpus, each drawn from the arti...

A Crabbit Old Woman Wrote This

Principles of Hartmann-Shack aberrometry.

RAY OPTICS DESCRIPTION Nearly 400 years ago, the celebrated Jesuit philosopher-astronomer, Christopher Scheiner, professor at the University of Ingolstadt, demonstrated the focusing ability of the human eye using a simple device known as the Scheiner Disk.1 Scheiner's experiments showed that if an optically imperfect eye views through an opaque disk perforated with two pinholes, a single distan...

The ultrafiltration coefficient: this old ‘grand inconnu’ in dialysis

RD – Néphrologie and Groupe Rein et HTA, EA3127, Institut Universitaire de Recherche Clinique IURC UM1, Montpellier 34090, France, Department of Nephrology Dialysis and Transplantation, International Renal Research Institute (IRRIV), San Bortolo Hospital, Vicenza 36100, Italy, Service de Néphrologie, Hôpital de La Conception – Université Aix-Marseille, Marseille 13005, France and Centre de dial...

Butyric acid: what is the future for this old substance?

In this brief review, we present some data from the literature on butyric acid and some of its more interesting potential uses, especially in the field of gastroenterology. Due to its principal characteristics, butyric acid is primarily used for pathologies of the colon (functional, inflammatory). Although only preliminary data are available, butyric acid may also have interesting extraintestin...