It's mostly still data in the unstructured realm. One case is "messaging" data (live indexing of communications, social, news updates, etc.). Another case is data which was not originally text but can be easily transcribed into text with an "adapter" - this includes live audio/video/screenshot streams. For now Pathway works with discrete event streams, so audio transcription needs to be done upstream - e.g. by pairing up a live captioning service with Pathway.
On the use case side, it tends to be less about interactive question/answer and more alerting handled with pre-registered queries ("alert me when X happens").
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