The conventionalrepresentation of location information is hard to understand for human in location-aware computing, but the natural language is a beneficial supplement.
讨论位置感知计算中定位信息表达存在的不足，引入自然语言描述作为补充。
2
Compared with the conventional parse tree, this representation not only consumes less space, but also is faster for structure matching.
这种表示比传统分析树不仅空间较小，而且进行结构匹配的速度快。
3
Clustering for symbolic data is an important extension of conventional clustering, and interval representation for symbolic data is often used.