排名问题中的评估指标 Ranking ProblemsIn many domains, data scientists are asked to not just predict what class/classes an example belongs to, but to rank classes according to how likely they are for a particular example.在 2020-11-04 Evaluation
分类问题中的评估指标 Term True Positives (TP): should be TRUE, you predicted TRUE False Positives (FP): should be FALSE, you predicted TRUE True Negative (TN): should be FALSE, you predicted FALSE False Negatives (FN): sh 2020-11-04 Evaluation
PyTorch-BigGraph 损失计算 PyTorch-BigGraph 损失计算The training process aims at finding the embeddings for the entities so that the scores of the positive edges are higher than the scores of the negative edges. When unpacking what 2020-10-30 PyTorch-BigGraph
PyTorch-BigGraph 分布式 PyTorch-BigGraph 分布式PBG can perform training across multiple machines which communicate over a network, in order to reduce training time on large graphs. Distributed training is able to concurrently u 2020-10-28 PyTorch-BigGraph
PyTorch-BigGraph 批准备 PBG 批准备This section presents how the training data is prepared and organized in batches before the loss is calculated and optimized on each of them.本节介绍了如何在计算和优化损失之前如何对训练数据进行准备和组织。 Training proceeds b 2020-10-27 PyTorch-BigGraph
PyTorch-BigGraph I/O 格式 PBG I/O格式Entity and relation typesThe list of entity types (each identified by a string), plus some information about each of them, is given in the entities dictionary in the configuration file. The l 2020-10-27 PyTorch-BigGraph
PyTorch-BigGraph 从实体嵌入到边得分 From entity embeddings to edge scoresThe goal of training is to embed each entity in ℝ^D so that the embeddings of two entities are a good proxy to predict whether there is a relation of a certain typ 2020-10-23 PyTorch-BigGraph
社交网络 总览社交网络与图, 社交网络的聚类, 社区发现 社交网络与图1.What is a network? a network can be defined as a graph in which nodes and/or edges have attributes (e.g. names). 带有属性信息的图 2.Network’s properties: 2020-10-23 Data mining
DSCI-553-outline DSCI551 - Foundations and Applications of Data MiningWeek1: 数据挖掘, MapReduce 介绍Part2: Part3: 社交网络 2020-10-23 Course
ssh连接远程服务器中途断开 问题描述Mac机器使用ssh操作远程服务器的途中,由于网络波动,断开连接,休眠等一系列奇葩原因导致终端client_loop: send disconnect: Broken pipe,在这样的情况下，远程服务器也跟着掉线。 需求即使本地Mac掉线，远程服务器仍旧保持工作 解决方式: Screen 2020-10-23 Linux