时空数据的定义：
- 坐标点
- 时间戳
- 事件日志
这篇文章先从Data收集方面探讨了时空数据的收集方式。
- 视觉追踪系统
- 仪表追踪方法
2.1 GPS
2.2 RFID
方法：
- 场地分割
- 网络理论
- 数据挖掘方法与应用
- 可视化技术
整理一些词组和不错的句子。
word
- extract insight
- Furthermore, ...
- in the sense that.. 就这种意义而言
- argue that
Sentence
- However they are complementary in that they describe different aspects of play, and can provide a richer explanation of the game when used in combination.
- However后不必一定加逗号
- in that 表示"在于"
- and连接两个长句子，and前加一个逗号，条理性更清楚。
- when used in combination 可以省略主语和be动词。
- This is often the case in sports.
- However, their analysis, while innovative, did not attract much attention.
- while innovative做插入语，省略主语和be动词。
- From a team performance perspective Grund set out to answer two hypotheses:
- From a team performance perspective后面不必非得加逗号。
- The higher coefficient for a player the higher is his cooperation with the other members of the team.
- The 比较级... the 比较级...第二个比较级的句子用倒桩。
- They were extremely well connected teams.
- 连续用两个副词 extremely， well 来修饰 connected。
- Section 4 are informative in isolation, but may also be the input for more complex algorithmic and probabilistic analysis of team sports.
- 注意informative的含义；but may also be中 可以省略主语！显得更精炼。
