Semantics3 Blog
Govind Chandrasekhar

Govind Chandrasekhar

25 posts •
Analysis Report

Beyond Toilet Paper - Essential Products with the Highest Demand Online

A look at best selling categories and brands in the US from a basket of “high priority” goods

  • Govind Chandrasekhar
    Govind Chandrasekhar
3 min read
Analysis Report

Shopping for Hand Sanitizers Online in the Age of COVID-19

On 4x price increases, rapid price fluctuations, upstart brands and fake listingsCOVID-19 has led to a spike in demand for products like hand sanitizers and face masks. Manufacturers of these products, many of

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

7 Elements of AI Product Strategy

A playbook for building ML powered products, teams and businessesBuilding and selling machine learning (ML) products is hard. The underlying technology keeps evolving, requiring organizations to constantly be on their toes … and the

  • Govind Chandrasekhar
    Govind Chandrasekhar
13 min read

Predicting the Demand of Products Sold Online

Can the demand for an item be predicted before its market launch? Which signals best prophesy future demand? We set out to answer the questions above using the ~10 billion price & demand signals in our database, and our Universal Product Catalog.

  • Govind Chandrasekhar
    Govind Chandrasekhar
  • Dr. Gunjan Solanki
4 min read

Introducing Attribute Extraction from User-Generated Content

Attribute Extraction from ecommerce data - the generation of structured fields from unstructured text - is a popular product offering of ours. Our customers use it to improve the quality of their search

  • Govind Chandrasekhar
    Govind Chandrasekhar
  • Praveen Sekar
2 min read
Analysis Report

Patterns in Shipment Delays of Imports into the USA

This is the second in a multi-part series in which we attempt to unearth dynamics of the shipping industry, by analyzing publicly available import shipment data in the United States.Vessel delays can

  • Govind Chandrasekhar
    Govind Chandrasekhar
3 min read
Analysis Report

Shipping Line, Port and Route Dynamics of US Shipment Imports

This is the first in an article series in which we attempt to unearth dynamics of the shipping industry, by analyzing publicly available import shipment data in the United States.In this article,

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

Using AI to Automate Web Crawling

Classification, clustering and reinforcement algorithms used at Semantics3 to automate the crawling of ecommerce websites

  • Govind Chandrasekhar
    Govind Chandrasekhar
9 min read

Weak Supervision & Active Learning - Essential Tools for Machine Learning Projects

Weak supervision and active learning - a couple of key underutilized ideas for when the performance of your ML algorithms plateau, and the marginal utility of further investment in the project drops

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

The Ecommerce Knowledge Graph - Semantics3 Labs

An Ecommerce knowledge graph built from Semantics3's Universal Product Catalog. Useful for exploring supply chain insights, brand profiles, compatible looks and more. Made possible by our crawling and extraction engines.

  • Govind Chandrasekhar
    Govind Chandrasekhar
3 min read

AI-based HTS Code Classification: 5 Technical Ideas for Building Solutions that Work

Imports, exports and tariffs are quite the theme in the news these days, be it in the context of Brexit, the US-China trade war or the Iran nuclear deal. Executive decisions on what

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read
Analysis Report

The State of Ecommerce - 2019 Report

We analyzed 138 million dotcom sites, with a focus on ~6 million ecommerce sites. Here's what we found.

  • Govind Chandrasekhar
    Govind Chandrasekhar
6 min read

Principles for Managing Data & Product Quality

Measure everything, set realistic targets, Think statistically and 6 other principles for managing product/data quality

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

Mapping the Universe of E-commerce Brands

Of the thousands of attributes that we handle while curating product catalogs, the hardest and perhaps most important attribute is brand. Consumers often begin their searches with brand names of the products they're

  • Govind Chandrasekhar
    Govind Chandrasekhar
5 min read

How we do Data QA @ Semantics3: Processes & Humans-in-the-Loop (Part 2)

In this second of two posts about data quality, I'd like to delve into the challenge of building and maintaining evolving datasets, i.e., datasets that are function of changing inputs and fuzzy

  • Govind Chandrasekhar
    Govind Chandrasekhar
6 min read

How we do Data QA @ Semantics3: Statistics & Algorithms (Part 1)

In this first of two posts about data quality, I'd like to delve into the challenge of building and maintaining evolving datasets, i.e., datasets that are function of changing inputs and fuzzy

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

How to Launch and Maintain Enterprise AI Products

There is a significant disconnect between the perception and reality of how enterprise AI products are built.The narrative seems to be that given a business problem, the data science team sets about

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

Deriving Meaning through Machine Learning: The Next Chapter in Retail

Three slides from Benedict Evans' brilliant talk, The End of the Beginning, really caught my attention.The Old and the NewAcross industries, machine learning is helping us get to successive levels of meaning

  • Govind Chandrasekhar
    Govind Chandrasekhar
3 min read

5 Lessons I’ve Learned Tackling Product Matching for E-commerce

Slides & video from my talk @ Fifth Elephant

  • Govind Chandrasekhar
    Govind Chandrasekhar
1 min read

The GIGO Principle in Machine Learning

And its implications for PMs, designers, salespeople and data scientists

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

“Hot Dog and a Not Hot Dog”: The Distinction Matters

And why Periscope Should’ve Held Out for a Little Longer

  • Govind Chandrasekhar
    Govind Chandrasekhar
4 min read

Questions & Intuition for Tackling Deep Learning Problems

Working on data-science problems can be both exhilarating and frustrating. Exhilarating because the occasional insight that boosts your…

  • Govind Chandrasekhar
    Govind Chandrasekhar
7 min read
engineering

Debugging Neural Networks: A Checklist

You’ve framed your problem, prepared your datasets, designed your models and revved up your GPUs. With bated breath, you start training…

  • Govind Chandrasekhar
    Govind Chandrasekhar
5 min read
engineering

Geosearch Support for Limestone (Node.js Sphinx Connector)

Limestone, a Node.js connector to Sphinx search server, is a quite handy library written by Serge Shirokov.

  • Govind Chandrasekhar
    Govind Chandrasekhar
1 min read
engineering

How We Built an iOS App, an Android App and a Node.js API in 20 Hours

My typical app development workflow involves brainstorming, idea formation, validation, feature selection, design iteration and eventually…

  • Govind Chandrasekhar
    Govind Chandrasekhar
6 min read
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