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ranking loss

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Data Party THU
Data Party THU
Jun 22, 2026 · Artificial Intelligence

Who Won the 2026 Big Data Challenge Monthly Star Awards? Winners Share Their Competition Insights

The 2026 China University Big Data Challenge announced its Monthly Star winners, each receiving a prize, and the top three teams detailed their data processing, feature engineering, model design, training strategies, and post‑processing techniques for cross‑sectional stock ranking.

big data competitionfeature engineeringmachine learning
0 likes · 10 min read
Who Won the 2026 Big Data Challenge Monthly Star Awards? Winners Share Their Competition Insights
Bighead's Algorithm Notes
Bighead's Algorithm Notes
Dec 25, 2025 · Artificial Intelligence

Paper Review: DeltaLag – An End‑to‑End Deep Learning Framework for Dynamically Learning Lead‑Lag Patterns in Financial Markets

DeltaLag introduces a sparse cross‑attention mechanism that dynamically discovers pair‑specific, time‑varying lead‑lag relationships in US equity markets and uses them to construct interpretable trading signals, achieving significantly higher annualized returns, Sharpe ratios, and information coefficients than fixed‑lag, statistical, and other spatio‑temporal deep learning baselines.

Deep LearningDeltaLagfinancial time series
0 likes · 13 min read
Paper Review: DeltaLag – An End‑to‑End Deep Learning Framework for Dynamically Learning Lead‑Lag Patterns in Financial Markets
Tencent Advertising Technology
Tencent Advertising Technology
Aug 27, 2024 · Artificial Intelligence

Auxiliary Ranking Loss Enhances Classification Ability in Sparse‑Feedback CTR Prediction

This study investigates how adding an auxiliary ranking loss to click‑through‑rate (CTR) models not only improves ranking but also alleviates gradient‑vanishing for negative samples, thereby boosting the primary classification performance, especially under sparse positive‑feedback conditions.

AdvertisingCTR PredictionGradient Analysis
0 likes · 13 min read
Auxiliary Ranking Loss Enhances Classification Ability in Sparse‑Feedback CTR Prediction
NetEase Media Technology Team
NetEase Media Technology Team
Jul 12, 2019 · Artificial Intelligence

Video Highlight Detection and GIF Cover Generation Using 3D Convolutional Scoring

The paper proposes a 3D‑CNN scoring system that ranks short, information‑dense video segments, selects the most exciting one, and converts it into a looping GIF cover, replacing static thumbnails; trained on large video‑GIF datasets with pairwise ranking loss, it improves click‑through rates while reducing bad‑case generation.

3D CNNGIF generationcontent recommendation
0 likes · 13 min read
Video Highlight Detection and GIF Cover Generation Using 3D Convolutional Scoring