Plario
Adaptive Learning System

A smart online math tutor serving thousands of users

Plario
Adaptive Learning System

A smart online math tutor serving thousands of users

Plario
Adaptive Learning System

A smart online math tutor serving thousands of users

The Client

Plario, Adaptive Learning System

The Client

Plario, Adaptive Learning System

Challenge

Our goal was to develop a smart adaptive learning system in a six months period that would meet the following requirements:

Challenge

Our goal was to develop a smart adaptive learning system in a six months period that would meet the following requirements:

Challenge

Our goal was to develop a smart adaptive learning system in a six months period that would meet the following requirements:

Stable and maintainable

Easy to scale

Easy to extend with new services

Smooth continuous delivery process

Logging, monitoring and alerts features

Expected number of users: 10,000

After the explosion of online learning services under conditions of social distancing, the system was scaled to accommodate up to 100,000 users just in 30 days

Approach

Build architecture

Set up orchestration tools

Run load tests

Fine-tune

Build architecture

Set up orchestration tools

Run load tests

Fine-tune

Build architecture

Set up orchestration tools

Run load tests

Fine-tune

To achieve the goals, the following technology stack was chosen:

■ Docker as the microservices containerizing solution
■ Kubernetes orchestration platform
■ Rancher 2.0 orchestration management tool
■ GitLab CI/C
■ JMeter as a load testing tool
■ ElasticSearch/Kibana for logging
■ Prometheus/Graphana for monitoring

Тhe Product

Plario.ru is a matching online course that helps high school students and college freshmen bridge their gaps in basic math skills.

Тhe Product

Plario.ru is a matching online course that helps high school students and college freshmen bridge their gaps in basic math skills.

Тhe Product

Plario.ru is a matching online course that helps high school students and college freshmen bridge their gaps in basic math skills.

Simple diagnostics of initial mastery level

Personalized learning trajectories based on the current skills

Real-time progress tracking

Algebraic expressions conversion
Trigonometry
Logarithm
Rational equations and inequations
Irrational equations and inequations
Functions

Features

Rational equations and inequations

Irrational equations and inequations

Functions

The platform is an EdTech startup that involves active participation of the Tomsk State University scholars. The educational content was created by skilled mathematicians with the help of special content graining technologies by ENBISYS.

The assessment and adaptive learning algorithms are based on an ontology of interconnected basic math skills, some graphs comprising 54 units. The student's math level is tested in just 24 diagnostic problems.

Adaptivity

Having to deal with an enormous amount of analytics and algorithms, we applied Machine Learning and genetic algorithms, Bayesian Knowledge Tracing (BKT), hidden Markov processes.

BKT allows real-time assessment of the mastery level and creation of a dynamic personalized learning track.

Test results among university freshmen show dramatic increase in performance (see the chart).

Adaptivity

Having to deal with an enormous amount of analytics and algorithms, we applied Machine Learning and genetic algorithms, Bayesian Knowledge Tracing (BKT), hidden Markov processes.

BKT allows real-time assessment of the mastery level and creation of a dynamic personalized learning track.

Test results among university freshmen show dramatic increase in performance (see the chart).

Adaptivity

Having to deal with an enormous amount of analytics and algorithms, we applied Machine Learning and genetic algorithms, Bayesian Knowledge Tracing (BKT), hidden Markov processes.

BKT allows real-time assessment of the mastery level and creation of a dynamic personalized learning track.

Test results among university freshmen show dramatic increase in performance (see the chart).

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