---
title: Data Science Paper Review – Query Rewrites for Null/Low Search Results
description: "How do leading eCommerce sites like eBay handle query rewrites for null/low search results? In this Data Science Paper Review, Constructor’s data science team will walk you through a paper detailing exactly how eBay reformulates null queries into multiple alternative queries to increase recall (without altering search intent) and dramatically improve user experiences: Want to […]"
---

[Constructor Blog | Ecommerce Search Industry and Product Information ](https://constructor.com/blog)

# [Data Science Paper Review – Query Rewrites for Null/Low Search Results](https://constructor.com/blog/data-science-paper-review-query-rewrites-for-null-low-search-results)

 Written by [Constructor Team](https://constructor.com/blog/author/constructor-team) | Jul 1, 2020 7:00:00 AM

How do leading eCommerce sites like eBay handle query rewrites for [null/low search](https://constructor.io/blog/say-goodbye-to-zero-search-results/) results?

In this Data Science Paper Review, Constructor’s data science team will walk you through a paper detailing exactly how eBay reformulates null queries into multiple alternative queries to increase recall (without altering search intent) and dramatically [improve user experiences](https://constructor.io/blog/ux-ecommerce/):

 

 

## Want to learn more about optimizing on-site search to drive real business metrics?

For years, retailers have optimized search solely on “[relevance](https://constructor.io/blog/search-relevance-improving-precision-and-recall/),” hoping the results that users want to see (and the results that drive important business metrics) appear at the top.

This is exactly wrong — and it’s not how companies like Google and Amazon optimize their search.

[Watch our webinar discussing the limitations of optimizing search results for “relevance,” and the 3 attributes retailers should focus on to drive real business results from search. Check it out here: ](https://bit.ly/39RfgsI)

<https://bit.ly/39RfgsI>

[View full post](https://constructor.com/blog/data-science-paper-review-query-rewrites-for-null-low-search-results)

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