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    • 5. 发明申请
    • Byte stream organization with improved random and keyed access to information structures
    • 字节流组织,具有改进的随机和密钥访问信息结构
    • US20050131917A1
    • 2005-06-16
    • US10738377
    • 2003-12-13
    • Joshua Auerbach
    • Joshua Auerbach
    • G06F17/00G06F17/30
    • G06F17/30327Y10S707/99932Y10S707/99933Y10S707/99943Y10S707/99953
    • The invention improves processing time when accessing information in a byte stream and avoids the step of deserializing unneeded portions of the byte stream when the byte stream encodes an information structure corresponding to a schema with arbitrarily nested lists and tuples. It facilitates efficient keyed access when lists of tuples represent tables with key columns by storing tables in nested column order, which extends the well-known concept of column-order so as to apply to arbitrarily nested tables. Using well-known offset calculation techniques within the nested lists that result from nested column order, the invention achieves greater efficiency by grouping together all scalar information items that correspond to the same node in a tree representation of the schema.
    • 本发明改进了在字节流中访问信息时的处理时间,并且当字节流对具有任意嵌套列表和元组的模式进行编码的信息结构时,避免了对字节流的不需要部分进行反序列化的步骤。 当列表的列表通过以嵌套列顺序存储表格来表示关键列时,它便于有效的键控访问,这扩展了列顺序的众所周知的概念,以便适用于任意嵌套的表。 在嵌套列表中使用众所周知的偏移计算技术,通过嵌套列顺序产生,本发明通过将与模式的树表示中的相同节点对应的所有标量信息项分组在一起来实现更高的效率。