Editorial - Kitchener's Sundial

Sundial: Using Sunlight to Reconstruct Global Timestamps

This paper investigates postmortem timestamp reconstruction in environmental monitoring networks. In the absence of a timesynchronization protocol, these networks use multiple pairs of (local, global) timestamps to retroactively estimate the motes’ clock drift and offset and thus reconstruct the measurement time series. We present Sundial, a novel offline algorithm for reconstructing global tim...

Making DATR Work for Speech: Lexicon Compilation in SUNDIAL

We present DIALEX, an inheritance-based tool that facilitates the rapid construction of linguistic knowledge bases. Simple lexical entries are added to an application-specific DATR lexicon that inherits morphosyntactic, syntactic, and lexico-semantic constraints from an applicationindependent set of structured base definitions. A lexicon generator expands the DATR lexicon out into a disjunctive...

Biological Clocks: Who in This Place Set Up a Sundial?

How do circadian rhythms, alarm clocks and the light/dark cycle interact? The concept of social jetlag is informing our appreciation of the tensions and consequences of imposing an artificial temporal order upon our biology.

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