The fastest and most accurate
way to power your NLP projects
Natural Language Comprehension
High accuracy API
Sentiment and emotion analyses
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Ready to scale
Natural Language Structuration
No-code ontology edition
Graph database
Turn information into knowledge
Auto Lettria
Data annotation with active learning
Train and deploy in minutes
No dev-ops required
Tell us more
about your Data
Our platform adapts to pretty much every text-related input, wether it is an email, PDF document or a Google Review. It nativaly embeds Optical Caracter Recognition (OCR) and parses tables.
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Highlight and fine-tune
in a matter of seconds
Get started right away by creating a specific pipeline and choosing your analyses from among a baker’s dozen (i.e., spell check, sentiment analysis, IA entity recognition and more) Teach Lettria what you want to extract.
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You’re not alone
Create a work group (or several) and invite your collaborators, so you can build dictionaries and annotate data together.
We also have a little gift for you: 750,000 pre-categorized words to help you kickstart your project. You’re welcome.
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Start processing
& monitor quality
That’s pretty much it. You’re ready to go.
Our language processing toolkit is available as a single easy-to-use API and a no-code platform. Collect your results and monitor.
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Import your data, highlight what matters
Lettria allows you to upload your documents and tag the key pieces of information you want to extract.
Our active learning models will then learn from your examples to accurately extract targeted data from all your documents.
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Edit your very own knowledge ontology
in a few clicks
Ontology is a fancy way to refer to a set of concepts related to each other.
In other words, just tell us what you precisely want to extract in your documents.
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Generate properties & extract information in your document
Each property should be linked to at least one pattern. Each pattern is a sequence of elements to be found in the document.
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Your data is now fully structured & accessible
You can export it in your own database, or in excel mode if you want. Lettria also offers graph database capabilities to help to explore and visualize your data in an innovative format.
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Tell us more about what you want to do
You can choose between binary and multi label classification, regression or word tagging.
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Upload your raw data and unlock smart labelling
You’re not alone : invite teammates or clients!
Collaborate with peer-to-peer reviewing.
Accelerate with Active Learning (30% less annotation on average). Don’t have any labelled data?
That’s ok, some of our models work without.
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We handle the
model training
Our system trains several models in parallel, depending on your needs and data, and selects the most efficient one.
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Deploy in a matter
of clicks
Export your own custom model, or wait for us to send you an API token. No devops, no hassle.
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Have a look at our platform stories
Find out how Sales teams use Lettria to extract key information from call transcripts and integrate into their CRM to improve business performance.
Find out how Lettria helps e-merchants improve search results on their website, deliver more relevant product recommendations, and increase their sales.
Discover how marketing teams use Lettria to automate the analysis and synthesis of customer and employee surveys to identify key trends and information.
