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1. 发明授权

US09495423B2 Prefetching RDF triple data 有权
标题翻译：预取RDF三重数据
公开(公告)号：US09495423B2
公开(公告)日：2016-11-15
申请号：US14049753
申请日：2013-10-09
申请人： International Business Machines Corporation
发明人： Yue Pan , Xing Zhi Sun , Qing Fa Wang , Shuo Wu , Lin Hao Xu
IPC分类号： G06F17/30
CPC分类号： G06F17/3053 , G06F17/30457 , G06F17/30477 , G06F17/30495 , G06F17/30533 , G06F17/30902
摘要： Query requests for RDF triples are obtained, wherein the query request(s) contain(s) at least one triple pattern; for each triple pattern, the corresponding elementary pattern is determined, and each triple pattern is converted to a weighted elementary pattern. The occurrence frequency of each elementary pattern is computed based on the weighted elementary patterns; at least one elementary pattern is chosen at least according to the occurrence frequency; and the RDF triples corresponding to the chosen at least elementary pattern are prefetched into the buffer. The corresponding apparatus is also provided. With the above method and apparatus, the frequently accessed RDF triples can be determined and prefetched into the buffer, which improves the query efficiency.
摘要翻译：获得对RDF三元组的查询请求，其中查询请求包含至少一个三重模式; 对于每个三重图案，确定对应的基本图案，并且将每个三重图案转换为加权基本图案。基于加权基本模式计算每个基本图案的出现频率; 至少根据发生频率选择至少一个基本模式; 并且对应于所选择的至少基本图案的RDF三元组被预取到缓冲器中。还提供了相应的装置。利用上述方法和装置，可以确定频繁访问的RDF三元组并将其预取到缓冲器中，这提高了查询效率。

2. 发明申请

US20140040283A1 PREFETCHING RDF TRIPLE DATA 有权
标题翻译：预制RDF三重数据
公开(公告)号：US20140040283A1
公开(公告)日：2014-02-06
申请号：US14049753
申请日：2013-10-09
申请人： International Business Machines Corporation
发明人： Yue Pan , Xing Zhi Sun , Qing Fa Wang , Shuo Wu , Lin Hao Xu
IPC分类号： G06F17/30
CPC分类号： G06F17/3053 , G06F17/30457 , G06F17/30477 , G06F17/30495 , G06F17/30533 , G06F17/30902
摘要： Query requests for RDF triples are obtained, wherein the query request(s) contain(s) at least one triple pattern; for each triple pattern, the corresponding elementary pattern is determined, and each triple pattern is converted to a weighted elementary pattern. The occurrence frequency of each elementary pattern is computed based on the weighted elementary patterns; at least one elementary pattern is chosen at least according to the occurrence frequency; and the RDF triples corresponding to the chosen at least elementary pattern are prefetched into the buffer. The corresponding apparatus is also provided. With the above method and apparatus, the frequently accessed RDF triples can be determined and prefetched into the buffer, which improves the query efficiency.
摘要翻译：获得对RDF三元组的查询请求，其中查询请求包含至少一个三重模式; 对于每个三重图案，确定对应的基本图案，并且将每个三重图案转换为加权基本图案。基于加权基本模式计算每个基本图案的出现频率; 至少根据发生频率选择至少一个基本模式; 并且对应于所选择的至少基本图案的RDF三元组被预取到缓冲器中。还提供了相应的装置。利用上述方法和装置，可以确定频繁访问的RDF三元组并将其预取到缓冲器中，这提高了查询效率。

3. 发明授权

US10831767B2 Prefetching RDF triple data 有权
公开(公告)号：US10831767B2
公开(公告)日：2020-11-10
申请号：US15350062
申请日：2016-11-13
申请人： International Business Machines Corporation
发明人： Yue Pan , Xing Zhi Sun , Qing Fa Wang , Shuo Wu , Lin Hao Xu
IPC分类号： G06F16/00 , G06F16/2457 , G06F16/2455 , G06F16/2458 , G06F16/957 , G06F16/2453 , G06F16/953
摘要： Query requests for RDF triples are obtained, wherein the query request(s) contain(s) at least one triple pattern; for each triple pattern, the corresponding elementary pattern is determined, and each triple pattern is converted to a weighted elementary pattern. The occurrence frequency of each elementary pattern is computed based on the weighted elementary patterns; at least one elementary pattern is chosen at least according to the occurrence frequency; and the RDF triples corresponding to the chosen at least elementary pattern are prefetched into the buffer. The corresponding apparatus is also provided. With the above method and apparatus, the frequently accessed RDF triples can be determined and prefetched into the buffer, which improves the query efficiency.

4. 发明申请

US20170060876A1 PREFETCHING RDF TRIPLE DATA 审中-公开
标题翻译：预制RDF三重数据
公开(公告)号：US20170060876A1
公开(公告)日：2017-03-02
申请号：US15350062
申请日：2016-11-13
申请人： International Business Machines Corporation
发明人： Yue Pan , Xing Zhi Sun , Qing Fa Wang , Shuo Wu , Lin Hao Xu
IPC分类号： G06F17/30
CPC分类号： G06F16/24578 , G06F16/24539 , G06F16/2455 , G06F16/24558 , G06F16/2458 , G06F16/9574
摘要： Query requests for RDF triples are obtained, wherein the query request(s) contain(s) at least one triple pattern; for each triple pattern, the corresponding elementary pattern is determined, and each triple pattern is converted to a weighted elementary pattern. The occurrence frequency of each elementary pattern is computed based on the weighted elementary patterns; at least one elementary pattern is chosen at least according to the occurrence frequency; and the RDF triples corresponding to the chosen at least elementary pattern are prefetched into the buffer. The corresponding apparatus is also provided. With the above method and apparatus, the frequently accessed RDF triples can be determined and prefetched into the buffer, which improves the query efficiency.
摘要翻译：获得对RDF三元组的查询请求，其中查询请求包含至少一个三重模式; 对于每个三重图案，确定对应的基本图案，并且将每个三重图案转换为加权基本图案。基于加权基本模式计算每个基本图案的出现频率; 至少根据发生频率选择至少一个基本模式; 并且对应于所选择的至少基本图案的RDF三元组被预取到缓冲器中。还提供了相应的装置。利用上述方法和装置，可以确定频繁访问的RDF三元组并将其预取到缓冲器中，这提高了查询效率。

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