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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto3";
option optimize_for = LITE_RUNTIME;
option java_package = "org.chromium.components.optimization_guide.proto";
option java_outer_classname = "AutocompleteScoringModelMetadataProto";
package optimization_guide.proto;
// Types of scoring signals.
enum ScoringSignalType {
SCORING_SIGNAL_TYPE_UNKNOWN = 0;
SCORING_SIGNAL_TYPE_TYPED_COUNT = 1;
SCORING_SIGNAL_TYPE_VISIT_COUNT = 2;
SCORING_SIGNAL_TYPE_ELAPSED_TIME_LAST_VISIT_SECS = 3;
SCORING_SIGNAL_TYPE_IS_HOST_ONLY = 4;
SCORING_SIGNAL_TYPE_LENGTH_OF_URL = 5;
SCORING_SIGNAL_TYPE_FIRST_URL_MATCH_POSITION = 6;
SCORING_SIGNAL_TYPE_HOST_MATCH_AT_WORD_BOUNDARY = 7;
SCORING_SIGNAL_TYPE_TOTAL_URL_MATCH_LENGTH = 8;
SCORING_SIGNAL_TYPE_TOTAL_HOST_MATCH_LENGTH = 9;
SCORING_SIGNAL_TYPE_TOTAL_PATH_MATCH_LENGTH = 10;
SCORING_SIGNAL_TYPE_TOTAL_QUERY_OR_REF_MATCH_LENGTH = 11;
SCORING_SIGNAL_TYPE_TOTAL_TITLE_MATCH_LENGTH = 12;
SCORING_SIGNAL_TYPE_NUM_INPUT_TERMS_MATCHED_BY_TITLE = 13;
SCORING_SIGNAL_TYPE_NUM_INPUT_TERMS_MATCHED_BY_URL = 14;
SCORING_SIGNAL_TYPE_ALLOWED_TO_BE_DEFAULT_MATCH = 15;
SCORING_SIGNAL_TYPE_HAS_NON_SCHEME_WWW_MATCH = 16;
SCORING_SIGNAL_TYPE_TOTAL_BOOKMARK_TITLE_MATCH_LENGTH = 17;
SCORING_SIGNAL_TYPE_FIRST_BOOKMARK_TITLE_MATCH_POSITION = 18;
SCORING_SIGNAL_TYPE_NUM_BOOKMARKS_OF_URL = 19;
SCORING_SIGNAL_TYPE_SHORTCUT_VISIT_COUNT = 20;
SCORING_SIGNAL_TYPE_SHORTEST_SHORTCUT_LEN = 21;
SCORING_SIGNAL_TYPE_ELAPSED_TIME_LAST_SHORTCUT_VISIT_SEC = 22;
SCORING_SIGNAL_TYPE_ELAPSED_TIME_LAST_VISIT_DAYS = 23;
SCORING_SIGNAL_TYPE_ELAPSED_TIME_LAST_SHORTCUT_VISIT_DAYS = 24;
SCORING_SIGNAL_TYPE_MATCHES_TITLE_OR_HOST_OR_SHORTCUT_TEXT = 25;
SCORING_SIGNAL_TYPE_NUM_INPUT_TERMS_MATCHED_BY_BOOKMARK_TITLE = 26;
SCORING_SIGNAL_TYPE_SITE_ENGAGEMENT = 27;
SCORING_SIGNAL_TYPE_SEARCH_SUGGEST_RELEVANCE = 28;
SCORING_SIGNAL_TYPE_IS_SEARCH_SUGGEST_ENTITY = 29;
SCORING_SIGNAL_TYPE_IS_VERBATIM = 30;
SCORING_SIGNAL_TYPE_IS_NAVSUGGEST = 31;
SCORING_SIGNAL_TYPE_IS_SEARCH_SUGGEST_TAIL = 32;
SCORING_SIGNAL_TYPE_IS_ANSWER_SUGGEST = 33;
SCORING_SIGNAL_TYPE_IS_CALCULATOR_SUGGEST = 34;
SCORING_SIGNAL_TYPE_IS_NTP_PAGE_CONTEXT = 35;
SCORING_SIGNAL_TYPE_IS_SRP_PAGE_CONTEXT = 36;
SCORING_SIGNAL_TYPE_IS_WEB_PAGE_CONTEXT = 37;
SCORING_SIGNAL_TYPE_DESTINATION_HOST_MATCH_FOR_CURRENT_PAGE = 38;
SCORING_SIGNAL_TYPE_HAS_OPEN_TAB_MATCH = 39;
}
// Types of signal transformations.
enum ScoringSignalTransformation {
// No transformation.
SCORING_SIGNAL_TRANSFORMATION_UNKNOWN = 0;
// log2(1+x).
SCORING_SIGNAL_TRANSFORMATION_LOG_2 = 1;
}
// Specification of a scoring signal.
message ScoringSignalSpec {
// Type of the scoring signal.
optional ScoringSignalType type = 1;
// Value to use if missing.
optional float missing_value = 2;
// Transformation to apply to this signal.
optional ScoringSignalTransformation transformation = 3;
// Minimum value of valid signals.
optional float min_value = 4;
// Maximum value of valid signals.
optional float max_value = 5;
// The upper boundary for normalization.
optional float norm_upper_boundary = 6;
}
// The message contains a set of params to run a specific autocomplete scoring
// model.
message AutocompleteScoringModelMetadata {
// Scoring signals are specified here in the same order as in offline model
// training. During inference, the signals must also be arranged according
// to this order.
repeated ScoringSignalSpec scoring_signal_specs = 1;
// The version of the autocomplete scoring model that's currently supported by
// the client for inference.
optional int64 version = 2;
}
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