Towards a Better Tradeoff between Effectiveness and Efficiency in Pre‑Ranking: A Learnable Feature‑Selection‑Based Approach

The authors introduce an interaction‑focused pre‑ranking model combined with a learnable, complexity‑aware feature‑selection technique (FSCD) that selects a compact feature set, enabling Alibaba’s search advertising system to boost offline AUC from 0.695 to 0.737, raise recall to 95 %, improve CTR and RPM, yet retain CPU usage and latency comparable to traditional vector‑dot models.

effectivenessfeature selectionpre‑ranking

0 likes · 15 min read

Towards a Better Tradeoff between Effectiveness and Efficiency in Pre‑Ranking: A Learnable Feature‑Selection‑Based Approach

FunTester

Jan 17, 2020 · Product Management

Understanding Usability Testing: Importance, Methods, and Benefits

This article explains what usability testing is, why it matters for websites and applications, outlines key evaluation dimensions such as effectiveness, efficiency, engagement, fault tolerance, and learnability, and describes the advantages of conducting systematic usability tests.

Product DesignUser experienceeffectiveness

0 likes · 8 min read

Understanding Usability Testing: Importance, Methods, and Benefits

21CTO

Nov 1, 2018 · R&D Management

How to Master Result‑Oriented Thinking for Maximum Effectiveness and Efficiency

This article adapts Stephen Covey’s “Begin with the end in mind” habit to the workplace, explaining how to distinguish effectiveness (what to do) from efficiency (how to do it), design meaningful KPIs, and communicate results‑oriented actions to boost productivity and team performance.

KPIcommunicationeffectiveness

0 likes · 14 min read

How to Master Result‑Oriented Thinking for Maximum Effectiveness and Efficiency