# Lotus: Learning to Understand Time-series by Learning to Forecast

Published: 2026-10-15 · Updated: 2026-10-15 · Category: Research

Source page: https://www.sipply.dev/story/lotus-learning-to-understand-time-series-by-learning-to-814c67e8 · 中文: https://www.sipply.dev/zh/story/lotus-learning-to-understand-time-series-by-learning-to-814c67e8

## Summary

Researchers have unveiled LOTUS, a novel time-series language model designed to improve forecasting accuracy. This model employs a unique pretraining principle known as forecast grounding, which segments time-series data into manageable patches. By leveraging both raw and spectral representations of the data, LOTUS not only enhances predictive capabilities but also achieves this with a smaller parameter size compared to existing models in the field. The introduction of LOTUS marks a significant advancement in the way time-series data is processed and understood, potentially leading to more efficient applications in various industries.

## Key takeaways

- LOTUS introduces a new pretraining principle called forecast grounding.
- The model segments time-series data into patches for better processing.
- LOTUS achieves higher accuracy with fewer parameters than existing models.

## Why it matters

The development of LOTUS represents a significant step forward in time-series analysis, which is crucial for numerous applications ranging from finance to healthcare. Improved forecasting models can lead to better decision-making and resource allocation in various sectors.

- **Product managers:** For product managers, LOTUS provides an opportunity to leverage advanced forecasting capabilities, potentially enhancing product features that rely on time-series data, such as demand forecasting and trend analysis.
- **Developers:** Developers and engineers can utilize LOTUS to build more efficient applications that require time-series analysis, benefiting from its reduced parameter size while maintaining high accuracy in predictions.
- **Students and job seekers:** Students and job-seekers should take note of LOTUS as it highlights the growing importance of time-series analysis in data science and machine learning, presenting potential career opportunities in developing and applying such models.

## Sources

- [Lotus: Learning to Understand Time-series by Learning to Forecast](https://arxiv.org/abs/2610.18877) (arXiv cs.LG, 2026-10-15)

## 中文

### LOTUS：通过学习预测来理解时间序列

研究人员推出了LOTUS，这是一种新型的时间序列语言模型，旨在提高预测准确性。该模型采用了一种独特的预训练原则，称为预测基础，能够将时间序列数据分割成可管理的块。通过利用数据的原始和频谱表示，LOTUS不仅增强了预测能力，而且与现有模型相比，参数规模更小。LOTUS的推出标志着时间序列数据处理和理解方式的重大进步，可能会在各个行业中带来更高效的应用。

**要点：**

- LOTUS引入了一种新的预训练原则，称为预测基础。
- 该模型将时间序列数据分割成块以便更好地处理。
- LOTUS在参数更少的情况下实现了比现有模型更高的准确性。

**为什么重要：** LOTUS的发展代表了时间序列分析的重要进展，这对从金融到医疗等众多应用至关重要。改进的预测模型可以在各个领域带来更好的决策和资源分配。

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