Concept

Columbia Records

Related publications (5)

CellReplay: Towards accurate record-and-replay for cellular networks

The inherent variability of real-world cellular networks makes it hard to evaluate, reproduce, and debug the performance of networked applications running on these networks. A common approach is to record and replay a trace of observed cellular network performance. However, we show that the state-of-the-art record-and-replay technique produces empirically inaccurate results that can cause evaluation bias. This paper presents the design and implementation of CellReplay, a tool that records the time-varying p

Usenix Association2025

The Future of Intracranial EEG Recording in Epilepsy: a Technological Issue?

Yusuf Leblebici, Alexandre Schmid, Catherine Dehollain

Intracranial EEG information used for epilepsy surgery has been provided from large widely spaced electrodes over a narrow bandwidth. However, over the last decades, research on animal and more recently on human, promoted by increased interest in developing high-density microelectrode arrays (MEA), has opened new windows for the comprehension of seizure origin and propagation at a submillimeter scale. From an electrophysiological perspective MEA demonstrate to be able to record local field potentials record

2012

Intracardiac organization indices for the monitoring of atrial fibrillation

Atrial fibrillation (AF) is the most common arrhythmia observed in clinical practice. It is responsible for about one third of hospitalizations related to problems of arrhythmia. AF is an important clinical entity due to the increased risk of morbidity and mortality. The consequences of AF most frequently found are hemodynamic function impairment (loss of atrial synchronized contraction, irregular and inadequately rapid ventricular rate), atriogenic thromboembolic events and tachycardia induced atrial and v

2011

Probabilistic Tagging of Unstructured Genealogical Records

In this paper we present a method of parsing unstructured textual records briefly describing a person and their direct relatives. The string

Stephanus, brother of Johannes Magnin, from Saillon' is a typical example of a record. We wish to annotate every term (word and symbol) in our records with a label which describes whether the term is a name (e.g.

Stephanus'), a place (e.g. Saillon'), or a relationship (e.g. brother'). We build upon work developed for the cleaning and standardization of names for re

IDIAP2005

Non-invasive estimate of the mechanical properties of peripheral arteries from ultrasonic and photoplethysmographic measurements

Jean-Jacques Meister

The non-linear elastic response of arteries implies that their mechanical properties depend strongly on blood pressure. Thus, dynamic measurements of both the diameter and pressure curves over the whole cardiac cycle are necessary to characterise properly the elastic behaviour of an artery. We propose a novel method of estimating these mechanical properties based on the analysis of the arterial diameter against pressure curves derived from ultrasonic and photoplethysmographic measurements. An ultrasonic ech

1991

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