-
公开(公告)号：US11940997B2
公开(公告)日：2024-03-26
申请号：US17446679
申请日：2021-09-01
Applicant: Futurewei Technologies, Inc.
Inventor： Ahmad Ghazal , Ron-Chung Hu , Mingyi Zhang
IPC: G06F16/24 , G06F16/22 , G06F16/242 , G06F16/2455
CPC classification number: G06F16/2433 , G06F16/2255 , G06F16/2455
Abstract: A query processing device includes a communication interface accessing a database and database catalog, a memory storing instructions, and a processor coupled to the memory and the communication interface. The processor executes the instructions to parse a query and generate first and second execution plans for the query, retrieve respective previously determined cardinality values for previously executed logical steps of the first and second execution plans from the database catalog, select an execution plan from the first execution plan or the second execution plan, the selected execution plan having a lower cost based on the previously determined cardinality values, and execute the selected execution plan on data accessed from the database. The query processing system stores actual cardinality values determined during the execution of the logical steps in the database catalog for use by subsequent queries. The query processing device, therefore, re-uses previously determined cardinality values.
-
2.发明申请公开(公告)号：US20180173762A1
公开(公告)日：2018-06-21
申请号：US15380647
申请日：2016-12-15
Applicant: Futurewei Technologies, Inc.
Inventor： Ron-Chung Hu , Guangyu Shi , Min Qiu , Masood Mortazavi , Jiafeng Zhu
IPC: G06F17/30
CPC classification number: G06F16/24544 , G06F16/24539 , G06F16/2455 , G06F16/24554
Abstract: A method implemented by a database system, comprising generating, by a processor of the database system, a plurality of join requests to at least two database tables with a common field responsive to a plurality of data requests, identifying, by the processor, at least two intervals of data with the common field using the plurality of join requests, creating, by the processor, a shadow table comprising the at least two intervals of data with the common field, wherein the shadow table comprises a plurality of fields from the at least two database tables, and wherein the plurality of fields are identified based on at least one of the join requests, storing, in a memory coupled to the processor, the shadow table, and generating, by the processor, a response to a subsequent data request using data stored in the shadow table.
-
公开(公告)号：US20180022361A1
公开(公告)日：2018-01-25
申请号：US15213532
申请日：2016-07-19
Applicant: Futurewei Technologies, Inc.
Inventor： Lei Rao , Jian Li , Ron-Chung Hu
CPC classification number: B60W50/0098 , B60R16/037 , B60R16/0373 , B60W10/30 , B60W30/18 , B60W50/085 , B60W2050/0014 , B60W2050/0075 , B60Y2300/18 , G05B13/024 , G05B13/028
Abstract: A system and method for performing self-learning for adaptively achieving passenger comfort enhancement in an autonomous vehicle. The system comprises a plurality of sensor inputs. Each sensor input provides data representative of voice responses and image responses from a passenger in the vehicle. A controller is coupled to the plurality of sensor inputs. The controller generates and updates a reward function that includes a plurality of driving state transitions. The reward function is updated based on destination information and the data representative of the voice and image responses. The controller further generates a goal function that determines an optimized driving state transition updates the goal function based on the updated reward function and a previous goal function. The controller also generates a vehicle speed control signal, based on the updated goal function, to control the speed of the autonomous vehicle.
-
公开(公告)号：US20150269202A1
公开(公告)日：2015-09-24
申请号：US14663210
申请日：2015-03-19
Applicant: Futurewei Technologies, Inc.
Inventor： Chi Young Ku , Ron-Chung Hu , Mengmeng Chen
IPC: G06F17/30
CPC classification number: G06F17/30315 , G06F17/30463 , G06F17/30598 , G06F17/30864 , G06F17/30935
Abstract: A method of dynamically computing an optimal materialization schedule for each column in a column oriented RDBMS. Dynamic column-specific materialization scheduling in a distributed column oriented RDBMS is optimized by choosing a materialization strategy based on execution cost including central processing unit (CPU), disk, and network costs for each individual exchange operator. The dynamic programming approach is computationally feasible because the optimal schedule for a sub-plan is path independent.
Abstract translation: 一种动态计算面向列的RDBMS中每列的最优实现时间表的方法。 通过选择基于执行成本的实现策略，优化了基于分布式列的RDBMS中的动态列特定实现调度，包括每个单独交换运算符的中央处理单元（CPU），磁盘和网络成本。 动态规划方法在计算上是可行的，因为子计划的最优调度是路径独立的。
-
公开(公告)号：US20220004551A1
公开(公告)日：2022-01-06
申请号：US17446679
申请日：2021-09-01
Applicant: Futurewei Technologies, Inc.
Inventor： Ahmad Ghazal , Ron-Chung Hu , Mingyi Zhang
IPC: G06F16/242 , G06F16/2455 , G06F16/22
Abstract: A query processing device includes a communication interface accessing a database and database catalog, a memory storing instructions, and a processor coupled to the memory and the communication interface. The processor executes the instructions to parse a query and generate first and second execution plans for the query, retrieve respective previously determined cardinality values for previously executed logical steps of the first and second execution plans from the database catalog, select an execution plan from the first execution plan or the second execution plan, the selected execution plan having a lower cost based on the previously determined cardinality values, and execute the selected execution plan on data accessed from the database. The query processing system stores actual cardinality values determined during the execution of the logical steps in the database catalog for use by subsequent queries. The query processing device, therefore, re-uses previously determined cardinality values.
-
Patent Agency Ranking
公开(公告)号：US10073873B2
公开(公告)日：2018-09-11
申请号：US14663210
申请日：2015-03-19
Applicant: Futurewei Technologies, Inc.
Inventor： Chi Young Ku , Ron-Chung Hu , Mengmeng Chen
IPC: G06F17/30
CPC classification number: G06F16/221 , G06F16/24542 , G06F16/285 , G06F16/8365 , G06F16/951
Abstract: A method of dynamically computing an optimal materialization schedule for each column in a column oriented RDBMS. Dynamic column-specific materialization scheduling in a distributed column oriented RDBMS is optimized by choosing a materialization strategy based on execution cost including central processing unit (CPU), disk, and network costs for each individual exchange operator. The dynamic programming approach is computationally feasible because the optimal schedule for a sub-plan is path independent.
-
公开(公告)号：US09799367B1
公开(公告)日：2017-10-24
申请号：US15274662
申请日：2016-09-23
Applicant: Futurewei Technologies, Inc.
Inventor： Jiafeng Zhu , Zijia Wang , Xuan Song , Ron-Chung Hu , Masood Mortazavi
IPC: G11B17/04 , G11B17/038 , B65G47/90 , B65G59/06 , B25J15/00
CPC classification number: G11B17/038 , B25J15/0028 , B25J15/0047 , B25J15/0052 , B65G47/90 , B65G59/061 , G11B17/08
Abstract: A multiple disk loader apparatus includes a plurality of rods. Each rod has a pair of pins extending radially from a side of the rod. The pair of pins are spaced circumferentially around the rod with respect to each other. Each pin has a top surface wherein the top surface of a first pin is longitudinally separated from the top surface of a second pin by a predetermined gap. A rotation device is coupled to the plurality of rods. The rotation device rotates the plurality of rods individually through a respective predetermined arc and in a respective rotational direction in order to extract a disk stack from storage and to separate a disk from the stack to load into a drive.
-
8.发明申请公开(公告)号：US20170257450A1
公开(公告)日：2017-09-07
申请号：US15057665
申请日：2016-03-01
Applicant: Futurewei Technologies, Inc.
Inventor： Lei Rao , Jian Li , Jiafeng Zhu , Ron-Chung Hu
CPC classification number: H04L67/22 , H02J3/14 , H02J13/0006 , H04L67/12
Abstract: A method implemented in a network element (NE) configured to operate as an Ensemble Information Broker (EIB) within a data and energy storage internet architecture, the method comprising collecting device data, human presence data, and human activity data; determining predicted human behaviors for the user; determining a predicted energy metric for the smart system during a future time slot; calibrating weighted objective metrics of an operating status of the devices, a human comfort level, and a human productivity level according to the predicted human behaviors and user defined preference levels defined for the smart system; generating a set of control commands for the devices within the smart system by executing the dynamic human-centric Objective Function on the predicted energy metric; and transmitting, via a transmitter, the set of control commands to corresponding devices within the smart system.
-
公开(公告)号：US10671607B2
公开(公告)日：2020-06-02
申请号：US15274681
申请日：2016-09-23
Applicant: Futurewei Technologies, Inc.
Inventor： Min Qiu , Ron-Chung Hu , Masood Mortazavi
IPC: G06F16/00 , G06F16/2453 , G06F16/22
Abstract: A method includes traversing a query plan tree having multiple nodes, each node representative of an operation on data that is the subject of a query, to extract multiple pipelines from the query plan tree, identify dependencies between the multiple extracted pipelines, and provide a pipeline dependent tree based on the dependencies between the multiple extracted pipelines for execution of the query by multiple processors.
-
公开(公告)号：US10671594B2
公开(公告)日：2020-06-02
申请号：US14489192
申请日：2014-09-17
Applicant: Futurewei Technologies, Inc.
Inventor： Ron-Chung Hu , Mengmeng Chen , Aniket Adnaik , Chi Yong Ku
IPC: G06F16/23 , G06F16/20 , G06F16/242 , G06F16/10 , G06F16/28
Abstract: A method for updating a column store database and includes establishing a row store database, wherein each row comprises a plurality of attributes. The method includes establishing a column store database including attribute vectors corresponding to at least one attribute in the row store, wherein each attribute vector includes data used to satisfy at least one of previously received analytic queries. The method includes collecting a SQL change statements beginning from a synchronization point indicating when the row store database and the column store database are synchronized, and continuing until an analytic query is received. The method includes sending the plurality of SQL change statements to the column store database upon receipt of the analytic query for updating the column store database for purposes of satisfying the query, wherein the analytic query is directed to a queried range of primary key attributes in the plurality of attributes.
-
-
-
-
-
-
-
-
-
Search Results
13
records
(took 0.014 seconds)
