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1. (WO2018125373) SYSTEMS AND METHODS FOR IDENTIFYING AND CHARACTERIZING SIGNALS CONTAINED IN A DATA STREAM

Pub. No.:    WO/2018/125373    International Application No.:    PCT/US2017/058844
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Sat Oct 28 01:59:59 CEST 2017
IPC: G06F 17/18
G06F 17/30
Applicants: GOOGLE LLC
Inventors: POPESCUL, Alexandrin
COLEN, Matt
OFITSEROV, Vladimir
Title: SYSTEMS AND METHODS FOR IDENTIFYING AND CHARACTERIZING SIGNALS CONTAINED IN A DATA STREAM
Abstract:
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for identifying and characterizing signals contained in a data stream. One of the methods includes: obtaining an historical time distribution of event counts associated with a topic for a relevant time period; extracting a predictable portion of the historical time distribution of event counts to produce a residual event count time distribution including residual event counts at successive times; determining a residual triggering threshold based on the residual event count time distribution; and taking an action when a residual event count exceeds the residual triggering threshold. The action can include providing a notification to a user of a spike in event counts associated with the topic.