gorse v0.2.5 版本更新介绍
发布日期: 2021-09-05
版本号: v0.2.5
本次更新主要包含以下内容:新增支持用户数据导入导出功能,统计信息改存至数据存储系统,采用基于IDF的相似度算法优化用户与物品匹配。移除了易混淆的点击反馈类型,新增基于用户的推荐模式,增加CTR预测的准确率/精确率/召回率/AUC评估指标,并支持多源推荐机制。修复了从ClickHouse加载数据时重复用户/物品的处理问题。配置变更方面,删除了click_feedback_types参数,将neighbor_type拆分为item_neighbor_type和user_neighbor_type,新增了多个推荐开关选项(最新推荐、热门推荐、用户协同过滤等),并将fallback_recommend配置项调整为字符串数组类型。
更新内容 (中文)
功能
- 支持用户导入与导出
- 将统计数据保存至数据存储而非缓存存储
- 对用户与物品使用基于IDF的相似度计算
- 移除易混淆的点击反馈类型(#191)
- 支持基于用户的推荐(#242)
- 支持CTR预测的准确率/精确率/召回率/AUC指标(#204)
- 支持多源推荐
修复
- 处理从ClickHouse加载数据集时用户/物品重复出现的问题(5bf340a1d5d0022cba0ec1b653a939ddd486d82b)
升级指南
配置文件中需注意:
click_feedback_types
配置项已移除neighbor_type
拆分为item_neighbor_type
和user_neighbor_type
- 新增
enable_latest_recommend
、enable_popular_recommend
、enable_user_based_recommend
、enable_item_based_recommend
和enable_collaborative_recommend
配置项 fallback_recommend
配置项类型改为字符串切片
更新内容 (原始)
Features
- Support user import and export.
- Save statistics to data store instead of cache store.
- Use IDF-based similarity for users and items.
- Remove confusing click feedback type (#191).
- Support user-based recommendation (#242).
- Support accuracy/precision/recall/AUC metrics for CTR prediction (#204).
- Support multi-source recommendation.
Fix
- Handle multiple occurrence users/items when loading datasets from ClickHouse (5bf340a1d5d0022cba0ec1b653a939ddd486d82b).
Upgrade Guide
In configuration file:
click_feedback_types
has been removed.neighbor_type
has been replaced byitem_neighbor_type
anduser_neighbor_type
.enable_latest_recommend
,enable_popular_recommend
,enable_user_based_recommend
,enable_item_based_recommend
andenable_collaborative_recommend
are added.fallback_recommend
becomes a slice of strings.