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Filtered by: temporal Clear Filter

Poor man's bitemporal data system in SQLite and Clojure

news.ycombinator.com Aditya Athalye 2025-10-12 01:47:50

On trying to mash up SQLite with ideas stolen from Accountants, Clojure, Datomic, XTDB, Rama, and Local-first-ers, to satisfy Henderson's Tenth Law. Viz., to make a sufficiently complicated data system containing an ad-hoc, informally-specified, bug-ridden, slow implementation of half of a bitemporal database. Because? Because laying about on a hammock, contemplating hopelessly complected objects like Current Databases isn't just for the Rich man. Don't try this at work! The "Poor Man's Bitemp

Topics: adric data facts temporal time
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Contrastive Representations for Temporal Reasoning

news.ycombinator.com Unknown 2025-10-19 04:42:40

In classical AI, perception relies on learning spatial representations, while planning—temporal reasoning over action sequences—is typically achieved through search. We study whether such reasoning can instead emerge from representations that capture both spatial and temporal structure. We show that standard temporal contrastive learning, despite its popularity, often fails to capture temporal structure, due to reliance on spurious features. To address this, we introduce Contrastive Representati

Topics: crtr reasoning representations structure temporal
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Ultra-Rapid Vision in Birds

news.ycombinator.com Jannika E. Boström 2025-12-10 16:32:46

Flying animals need to accurately detect, identify and track fast-moving objects and these behavioral requirements are likely to strongly select for abilities to resolve visual detail in time. However, evidence of highly elevated temporal acuity relative to non-flying animals has so far been confined to insects while it has been missing in birds. With behavioral experiments on three wild passerine species, blue tits, collared and pied flycatchers, we demonstrate temporal acuities of vision far e

Topics: birds hz light species temporal
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Managing time when time doesn't exist

news.ycombinator.com Robb Corrigan 2026-02-21 11:28:12

The Ultimate Productivity Paradox Imagine explaining to your boss why you’re late for a meeting because time doesn’t actually exist. Not in the philosophical “time is a social construct” sense that gets you invited to fewer dinner parties, but in the rigorous scientific sense where quantum gravity’s most fundamental equations contain absolutely no time variable whatsoever. You’d be attempting to justify tardiness using cutting-edge physics to someone whose greatest temporal insight is schedulin

Topics: management productivity quantum temporal time
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