Katie Hempenius

Software Engineer in San Francisco, CA

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Web Performance

Improving Page Performance in Modern Web Apps

Presented at SFHTML5

The network, browser, and hardware can all constrain page performance in modern web applications. This talk looks at why these constraints exist, how they can be identified, and how to mitigate them in order to improve performance.

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Web Scraping

How much does it cost to rent a room in San Francisco?

This article provides an overview of the rental market for single rooms in San Francisco (i.e. living with roommates) based on data collected from 15,000 Craigslist postings.

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Web Scraping

A Map of San Francisco, According to 30,000 Yelp Listings

This project investigated how Yelp data would characterize the different neighbhorhoods of San Francisco.

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What do people mention in their Tinder profiles?

This investigation looks at how people describe their interests, personalities, and physical selves across 10,000 Tinder profiles that were collected via botting.

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Setting Sail With Docker

Presented at Connect 2016

This presentation provides an introduction to using Docker. It is specifically focused on providing a clear, conceptual understanding of Docker concepts (as opposed to just commands).

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Sensor Networks

A more cost-effective unattended ground sensor using commercial off-the-shelf products

Lead Author

This paper outlines the creation of an unattended ground sensor (UGS) network using Android smartphones and Arduino microcontrollers in conjunction with an ad-hoc wireless mesh network and an unattended ground vehicle (UGV).

> Read Paper (IEEE)