demystifying coveo machine...

Automated Relevance, Query Suggestions and Recommendations

Richard Tessier

SVP Products

1 © 2017 Coveo Solutions Inc - Proprietary and Confidential

Demystifying Coveo Machine Learning

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1. Intelligent Query Suggest

2. Automatic Relevance Tuning

3. Recommendations

4. Intelligent Term Detection

5. Personalization

Key Use Cases

Optimizesfor future users

Analyzesuser behavior

Learnsbased on success

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General Concepts

4

Coveo Machine Learning Flow

Interface & APIs

Transmit interaction events and leverages the models built using these events

Predictive analytics

Wisdom from the interactions’ sumtotalcues likely intent

Machine learning

Data science drives “what you need next” recommendations

Users RelevanceModels-> =->Events

Captured in our Cloud infrastructure and available for ML models processing

Events

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Machine Learning configuration

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Recommendations

9

IntelligentRecommendations

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Recommendation

Usage Analytics

ML

Previous Users

Record Users ActionsType: Page View and QueryMandatory: Key/Value (identifies one document in one language)Optional: contentType (to recommend a specific type of document)

Build a model(0..n contentTypes)

Query Pipeline

Index

Current User Recommendation RequestActions History (e.g. page view, query)

RecommendationRequest

Query(@Key = @Value)

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Query Suggest

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Model = list of suggestions candidatesPast queries that were successfulScore based on the relevance indexLanguage-specific models

At query timePartial query compared to all candidates using a distance metric

Candidates are ranked based on their distance metrics and their relevance score

Time constrained: compute for a predetermined duration.

Query suggestion

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19© 2017 Coveo Solutions Inc - Proprietary and Confidential

20 © 2017 Coveo Solutions Inc - Proprietary and Confidential

Automated Relevance Tuning

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Favors most popular and pertinent documents for each query

Implicit synonyms detection

Understands common typos

Learns from search sessionsLinks each query to all subsequent clicksLearns the relation strengths between query parts and clicks

Automatic parameter optimization

Automated Relevance Tuning

Query

Clicked SearchResult

… QueryLast Clicked

Search Result

Clicked SearchResult

Clicked SearchResult

Clicked SearchResult

Typical Search Visit

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Intelligent Term Detection

Goal is to query the index with long text strings or natural language queriesex: case description

Algorithm extracts the most important terms, using the customer vocabulary frompast queries

Improved relevance over partial match - when enabled automatically boosts documents matching terms

Intelligent Term Detection

Intelligent Term Detection

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Questions?

Richard TessierSVP Products

rtessier@coveo.com

https://www.linkedin.com/in/richardtessier/

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Thank you!

Don’t miss tomorrow’s session on Getting the most out of Coveo Machine Learning!