Author: Darth Autocrat

Note: This is a misleading name as of 2022/10/14. The field is still set and has meaningful data, but no longer holds quality signals. All the data are freshness-related and they’re not particularly sensitive.

A message containing per doc signals that are compressed and included in Mustang and TeraGoogle. For TeraGoogle, this message is included in perdocdata which means it can be used in preliminary scoring. CAREFUL: For TeraGoogle, this data resides in very limited serving memory (Flash storage) for a huge number of documents. Next id: 43

The following protobuf is used to store an attribution from one page to (usually) one other page, giving credit for the content. This information is used during ranking to promote the attributed page. This protobuf is copied from a quality_contra::SelectedAttribution. See //quality/contra/authorship/attribution and https://qwiki.corp.google.com/display/Q/ContentTrackingContentAttribution.

Represents a reference made by a user that refers to some personal entity.

Represents the most compound resolved entities and most nested unresolved references for a span. Useful for punting.

Generic output for one vertical.

QuerySats contains the information about the queries that users typed to search for this image.

Next ID: 53