Conference paper Open Access

Striver: Stream Runtime Verification for Real-Time Event-Streams

Felipe Gorostiaga; César Sánchez


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        <foaf:name>César Sánchez</foaf:name>
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    <dct:title>Striver: Stream Runtime Verification for Real-Time Event-Streams</dct:title>
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    <dct:description>&lt;p&gt;We study the problem of monitoring rich properties of real-time event streams, and propose a solution based on Stream Runtime Verification (SRV), where observations are described as output streams of data computed from input streams of data. SRV allows a clean separation between the temporal dependencies among incoming events, and the concrete operations that are performed during the monitoring.&lt;/p&gt; &lt;p&gt;SRV specification languages typically assume that all streams share a global synchronous clock and input events arrive in a synchronous manner. In this paper we generalize the time assumption to cover real-time event streams, but keep the essential explicit time dependencies present in synchronous SRV languages. We introduce&amp;nbsp;Striver, which shares with SRV the simplicity, and the separation between the timing reasoning and the data domain.&amp;nbsp;Striver&amp;nbsp;is a general language that allows to express other real-time monitoring languages. We show in this paper translations from other formalisms for (piece-wise constant) signals and timed event streams. Finally, we report an empirical evaluation of an implementation of&amp;nbsp;Striver.&lt;/p&gt;</dct:description>
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