leased glutamate could explain the electrophysiological changes observed during LTP that have been attributed to an increase in presynaptically released neurotrans-Long-term potentiation (LTP) is one of the most widely mitters. In support of the silent synapse hypothesis, studied topics in neuroscience today. LTP refers to a electrophysiological and immunohistochemical studies long-lasting incr...

This paper presents three efforts to support children engaged in mobile and nomadic learning both in and out of the classroom. The HyConExplorer is a mobile, context-aware hypermedia system developed to help pupils access and produce digital content during project work in the field. The eBag is the equivalent of an electronic school bag and provides pupils access to their digital materials thro...

In vielen Fällen sieht ein Anbieter von (Intranet-) Diensten und Daten in Benutzern mit wechselnden Aufenthaltsorten ein besonderes Gefährdungspotential, das er dadurch zu minimieren trachtet, daß er aus dem jeweiligen Aufenthaltsort bestimmte Konsequenzen für die Autorisierung bzw. für die spezielle Art und Weise, in der ein Dienst zur Verfügung gestellt wird, ableiten möchte. In diesem Aufsat...

Host Identity Protocol (HIP) Domain Name System (DNS) Extensions draft-ietf-hip-dns-00 Status of this Memo This document is an Internet-Draft and is subject to all provisions of section 3 of RFC 3667. By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she beco...