Tech Blog Archive

Machine Translation in Research
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Going the Distance — Edit Distance 2

If you change a sentence, should you see the characters or words that changed? Edit Distance is back to help you figure this out.

By: Silvio Picinini
Machine Translation in Research
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Going the Distance — Edit Distance 1

What is Edit Distance? How could it be used to measure quality? Find out the basics about this simple metric used for Machine Translation.

By: Silvio Picinini
Computer Vision in Product
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eBay Makes Visual Shopping More Intuitive While You Browse

Our newest experience helps you find more products you just can't describe.

By: Jonathan Chard
Deep Learning in Engineering
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Complementary Item Recommendations at eBay Scale

Generating relevant complementary item recommendations that drive conversion at eBay is a challenging problem. In this blog post, we describe some of these challenges, and how we incorporated several different signals, including behavior-based (co-purchase, co-view, co-search, popularity) and content-based (title text), to significantly enrich the number and quality of candidate recommendations. This can produce an improved user shopping experience, which can lead to increased transactions between eBay buyers and sellers, and an increase in the number of items bought, which is good for the eBay marketplace as a whole.

By: Yuri M. Brovman
Deep Learning in Research
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Explainable Reasoning over Knowledge Graphs for Recommendation

Incorporating knowledge graphs into recommender systems has attracted increasing attention in recent years. By exploring the interlinks within a knowledge graph, the connectivity between users and items can be discovered as paths, which provide rich and complementary information to user-item interactions. Such connectivity not only reveals the semantics of entities and relations, but also helps to comprehend a user’s interest. However, existing efforts have not fully explored this connectivity to infer user preferences, especially in terms of modeling the sequential dependencies within and holistic semantics of a path. We have developed a new model named Knowledge-aware Path Recurrent Network (KPRN) to exploit knowledge graphs for recommendation.

By: Canran Xu, Dingxian Wang, Hua Yang and Xiaoyuan Wu
Computer Vision in Research
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Interactive Visual Search

Interactive visual search with user feedback helps buyers find the perfect item and while enjoying the exploratory journey.

By: M. Hadi Kiapour, Robinson Piramuthu and Shuai (Kyle) Zheng
Computer Vision in Research
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Seven Tips for Visual Search at Scale

We present seven tips for visual search at scale, based on our KDD 2017 paper titled "Visual Search at eBay."

By: Fan Yang, M. Hadi Kiapour, Qiaosong Wang and Robinson Piramuthu
Computer Vision in Research
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Beyond Logos and Patterns: How We’re Training eBay’s AI to Understand Brands

We’re researching how to recognize brands using computer vision by training our AI to look beyond logos and iconic patterns.

By: M. Hadi Kiapour and Robinson Piramuthu
Computer Vision in Research
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ModaNet: A Large-scale Street Fashion Dataset with Polygon Annotations

Searching for an ideal dress or pair of shoes sometimes could be challenging, especially when you do not know the best keywords to describe what you are looking for. Luckily, the emerging smart mobile devices provide an efficient and convenient way to capture those products of interest in your photo album. The next natural thing is letting an ecommerce app like eBay figure it out for you.

By: Fan Yang, M. Hadi Kiapour, Robinson Piramuthu and Shuai (Kyle) Zheng
Computer Vision in Product
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Drag and Drop Search: A New Way to Search on eBay

eBay has over a billion listings across a wide variety of categories that millions of buyers search every day. It is a significant challenge to connect the right buyer to the right listing and in the process to present the user with similar items that are suited to the buyers inputs.

By: Ravi Pitapurapu