baber/WOPTO huggingface dataset:
Patent WO-2021151347-A1 (WO)
Title: Ios application-based reinforcement method, apparatus, device, and storage medium
Inventor: SHI GUILIN
IPC: G06F21/14
Filed: 2020-11-27
Abstract: Provided are an iOS application-based reinforcement method, apparatus, device, and storage medium. The method comprises: receiving a request to reinforce an iOS application sent by a user, and obtaining a binary file of the iOS application to be reinforced carried in the request (S10); on the basis of a preset regular expression set as a first string set, obtaining all protocol character strings, class character strings, and function character strings in said binary file, and obtaining the protocol character strings, class character strings, and function character strings belonging to the iOS system in the binary file and taking them to be a second character string set, and filtering on the basis of the first character string set and the second character string set to obtain a third character string set (S20); traversing the third set of character strings, and respectively reading the length of each initial character string in the third character string set; on the basis of the length of each of the initial character strings and a preset replacement character set, randomly performing replacement operations on the characters of each of the initial character strings, and splicing the replaced characters in sequence to generate a target character string corresponding to each of the initial character strings (S30); writing each of the target character strings into a preset file to be compiled, performing a compilation operation on the file to be compiled to obtain a reinforced iOS application, and feeding the reinforced iOS application back to the user (S40). The method can reduce the risk of a third party cracking the application by means of methods and variables.
Patent WO-2021115184-A1 (WO)
Title: 用于无线通信的电子设备和方法、计算机可读存储介质
Inventor: ZHAO YOUPING
IPC: H04W16/14
Filed: 2020-12-03
Abstract: 本公开提供了一种用于无线通信的电子设备、方法和计算机可读存储介质，其中，用于无线通信的电子设备包括处理电路，处理电路被配置为：在判定电子设备位于频谱交易的验证区内的情况下，验证频谱交易的有效性，其中，验证区是基于频谱交易中的频谱获取方使用所交易的频谱时产生的干扰而确定的；以及根据在频谱获取方使用所交易的频谱时对电子设备的干扰来确定电子设备的信干噪比，并且在所述信干噪比大于针对所述电子设备设置的预定信干噪比阈值的情况下，验证所述频谱交易为有效的。
Patent WO-2021223437-A1 (WO)
Inventor: LI BINQI
IPC: H02P29/028
Filed: 2020-12-09
Abstract: 一种电调装置及无人飞行器。该电调装置包括用于驱动第一电机（170）的第一驱动电路（120）、用于采集第一电机（170）的第一数据的第一采样电路（141）、用于采集第一电机（170）的第二数据的第二采样电路（142）、第一控制器（150）、以及用于给第一驱动电路（120）和第一控制器（150）供电的第一电源（110）。第一控制器（150）与第一驱动电路（120）、第一采样电路（141）及第二采样电路（142）通讯连接，第一控制器（150）通过第一驱动电路（120）来控制第一电机（170）。第一控制器（150）基于第一采样电路（141）采集的第一数据以第一控制方式控制第一电机（170）；在第一采样电路（141）出现故障时，第一控制器（150）基于第二采样电路（142）采集的第二数据以第二控制方式控制第一电机（170）。该电调装置及无人飞行器具有高的可靠性。
Patent WO-2021129401-A1 (WO)
Title: 信道探测方法及装置
Inventor: YU JIAN
IPC: H04W72/12
Filed: 2020-12-10
Abstract: 本申请公开了一种信道探测方法及装置，包括：第一接入点设备向第二接入点设备发送探测请求帧；其中，该探测请求帧用于请求该第二接入点设备进行信道探测，该探测请求帧包括探测带宽字段和/或空间流数字段，该探测带宽字段用于指示进行信道探测的带宽，该空间流数字段用于指示进行信道探测的空间流数。相应的，第二接入点设备接收第一接入点设备发送的该探测请求帧，以及根据该探测请求帧所指示的参数信息进行信道探测。实施本申请，可使得第一接入点设备和第二接入点设备在相同的带宽，且在第一接入点设备统一的调度(如空间流的分配)下进行协作传输，提高了第一接入点设备与第二接入点设备协作传输效率。
Patent WO-2022126673-A1 (WO)
Inventor: XIE XUNPENG
IPC: G05D1/02
Filed: 2020-12-21
Abstract: The present application relates to the technical field of electric vehicle design, and in particular, to an electric vehicle, on which the following is integrated: a navigation device, configured to monitor the location of the electric vehicle in real time, and generate a corresponding location signal; a collision bar, configured to monitor a collision force borne by the electric vehicle in real time, and generate a corresponding collision force signal; and a controller. The controller is electrically connected to the navigation device, and configured to control the electric vehicle to stop moving when the location corresponding to the location signal exceeds a set geographic range, and control the electric vehicle to move along a planned route when the location corresponding to the location signal is within the set geographic range. The controller is electrically connected to the collision bar, and configured to control the electric vehicle to stop moving when the collision force corresponding to the collision force signal exceeds a set collision force threshold, and control the electric vehicle to move along the planned route when the collision force corresponding to the collision force signal does not exceed the set collision force threshold.
Patent WO-2022095252-A1 (WO)
Title: Display apparatus and electronic device
Inventor: CHEN TAO
IPC: G02F1/1362
Filed: 2020-12-25
Abstract: Provided in the present application are a display apparatus and an electronic device. Connection sections of a plurality of first signal lines are provided between a plurality of pixel drive circuit islands and a display light-transmitting area, so as to simplify the wiring means in which the connection sections of the plurality of first signal lines are connected to the corresponding pixel drive circuit islands, improving the problem of uneven display of a display apparatus and improving the display effect of an electronic device.
Patent WO-2021139589-A1 (WO)
Title: Voice processing method, medium, and system
Inventor: HU WEIXIANG
IPC: G10L17/04
Filed: 2020-12-30
Abstract: A voice processing method comprises: receiving multiple pieces of voice input, and extracting multiple voice features from the multiple pieces of voice input; determining multiple speaker features on the basis of the multiple voice features; clustering the multiple speaker features into at least one speaker feature category, wherein the at least one speaker feature category corresponds one-to-one to at least one speaker (200), and each of the at least one speaker feature category comprises at least one of the multiple speaker features; determining at least one speaker template on the basis of the at least one speaker feature category, wherein the at least one speaker template corresponds one-to-one to the at least one speaker (200); and receiving current voice input from a current speaker (200), and determining, on the basis of the current voice input and the at least one speaker template, whether the current speaker (200) matches one of the at least one speaker (200). The method implements sensor-free registration, and prevents registration from causing a negative experience for the speaker (200).
Patent WO-2021143700-A1 (WO)
Inventor: WU QIONG
IPC: G06T7/136
Filed: 2021-01-13
Abstract: 一种生物芯片的数据处理方法，包括：获取待检测的生物芯片图像；对生物芯片图像进行二值化处理，得到二值图像；在行方向上对二值图像进行形态学膨胀操作，得到第一图像，在列方向上对二值图像进行形态学膨胀操作，得到第二图像；通过在行方向对第一图像进行连通域检测以及在列方向对第二图像进行连通域检测，确定样本点阵列的行数、列数以及每一样本点的中心位置信息。
Patent WO-2022151109-A1 (WO)
Inventor: Jia meiyi
IPC: H04W16/28
Filed: 2021-01-13
Abstract: 本申请实施例提供一种波束失败的检测方法以及装置。所述方法包括：终端设备的介质访问控制(MAC)实体接收波束失败实例指示；将TRP特定的波束失败指示计数加1；以及在所述TRP特定的波束失败指示计数大于或等于TRP特定的波束失败实例最大计数的情况下，确定检测到发送接收点发生波束失败或者触发所述发送接收点的波束失败恢复(BFR)或者触发所述发送接收点的波束失败指示。
Patent WO-2022048115-A1 (WO)
Title: 地形形变方法、装置、设备及存储介质
Inventor: LI MING
IPC: G06T17/00
Filed: 2021-02-22
Abstract: 一种地形形变方法、装置、设备及存储介质，该方法包括：获取三维地形模型的网格顶点集合以及与三维地形模型的网格顶点集合对应的数据节点组合；响应游戏中的目标虚拟对象与三维地形模型的交互事件，获取与交互事件相对应的形变图片；根据形变图片获取与形变图片的形状相对应的形变数据；根据形变数据和映射关系，调整三维地形模型的网格顶点集合中的目标顶点，以改变三维地形模型网格；根据改变后的三维地形模型网格渲染出对应的三维地形模型。
Patent WO-2021185029-A1 (WO)
Title: Driving circuit and charging and discharging method for electric vehicle
Inventor: CHENG YANG
IPC: H02J7/00
Filed: 2021-02-23
Abstract: Provided are a driving circuit and a charging and discharging method for an electric vehicle. When the driving circuit is in a discharging stage, a first battery pack (10), a second battery pack (20) and a third battery pack (30) in the driving circuit may be connected in parallel so as to supply power to a motor to drive the motor. When the driving circuit is in a discharging stage, the first battery pack (10), the second battery pack (20) and the third battery pack (30) in the driving circuit may be connected in series, so that a charging device may use a high voltage to charge the driving circuit, which improves the charging efficiency of the driving circuit.
Patent WO-2022178666-A1 (WO)
Inventor: OUYANG QIN
IPC: G09F9/302
Filed: 2021-02-23
Abstract: An LED display screen and a display control method therefor. The method comprises: acquiring display data of an LED module, wherein the display data comprises a first uniformity, a second uniformity and a first brightness value (401); when the second uniformity is greater than a first threshold value, determining the position of the LED module in an LED display screen according to the first brightness value (402); and when the second uniformity is not greater than the first threshold value, determining the position of the LED module in the LED display screen according to the first uniformity, the second uniformity and the first brightness value (403). LED modules are subjected to multi-angle light-emission brightness measurement, and then classified and graded according to the brightness difference between the LED modules; and the LED modules are subjected to screen set-up sorting according to a classification and grading result, such that the LED modules are assembled into a complete LED display screen having a high uniform brightness, thereby greatly improving the display effect and the display efficiency of the LED display screen.
Patent WO-2021179939-A1 (WO)
Inventor: Jiang Senlong
IPC: H02M3/335
Filed: 2021-03-01
Abstract: The present disclosure provides a power supply circuit and a charging device. The power supply circuit comprises a rectifier circuit, a primary power supply conversion circuit, and a secondary power supply conversion circuit. The rectifier circuit is used for converting the alternating current input to the rectifier circuit into a direct current; the input end of the primary power supply conversion circuit is connected to the output end of the rectifier circuit; the primary power supply conversion circuit is used for adjusting, when the voltage output by the rectifier circuit exceeds a preset voltage range, the voltage output by the rectifier circuit to fall within the preset voltage range; the secondary power supply conversion circuit is connected to the output end of the primary power supply conversion circuit, and is used for converting the direct current voltage output by the primary power supply conversion circuit into a target direct current, wherein the lower limit of the preset voltage range is greater than the lowest operating voltage of the secondary power supply conversion circuit. The technical solution of the present disclosure can improve the stability of the electric energy output by a charging device.
Patent WO-2022068147-A1 (WO)
Title: Access point, station, and information transmission method
Inventor: HUANG LEI
IPC: H04W84/12
Filed: 2021-03-04
Abstract: An access point (AP), a station (STA), and an information transmission method are provided. The information transmission method includes configuring, by an access point (AP), an aggregated physical layer (PHY) protocol data unit (A-PPDU) used for downlink transmission to a set of STAs, wherein the A-PPDU comprises a first PPDU and at least one second PPDU if a number of first symbols of the first PPDU is equal to a number of second symbols of the second PPDU and/or a first field of the first PPDU has a same symbol duration and/or a same guard interval (GI) duration as a second field of the second PPDU; and determining, by the AP, an uplink transmission from a STA of the set of STAs, wherein the uplink transmission is in response to the A-PPDU used for downlink transmission. This can aggregate different formats of PPDUs.
Patent WO-2022198598-A1 (WO)
Inventor: DONG MINGXUAN
IPC: H02J3/38
Filed: 2021-03-25
Abstract: 本申请实施例提供一种储能系统，包括控制器、逆变器、并离网模式开关和负载，其中，逆变器用于响应于确定储能系统处于孤岛状态，向控制器发送孤岛状态消息，并根据预设频率对逆变器的输出频率进行冻结，根据逆变器的输出电压和逆变器的视在功率之间成负相关的关联关系对逆变器的输出电流进行控制；控制器用于向并离网模式开关发送断开指令；控制器还用于响应于接收到来自并离网模式开关的断开完成消息，向逆变器发送切换指令；逆变器还用于在接收到切换指令，且确定逆变器的输出电压满足额定电压的预设范围时，切换为电压源模式。采用本申请实施例，可避免发生频率畸变和电压畸变的事件，提高了逆变器的控制效率，便于提高负载运行的稳定性。
Patent WO-2022007461-A1 (WO)
Inventor: LI JIN
IPC: C07D409/12
Filed: 2021-04-15
Abstract: Disclosed is an immunomodulator, and the present invention specifically relates to a compound for inhibiting IL-17A and an application of the compound serving as the immunomodulator in the preparation of a drug. Disclosed is an application of a compound represented by formula I or a stereoisomer thereof in preparing a drug for inhibiting IL-17A, and a new choice for clinically screening and/or preparing a drug for treating diseases related to IL-17A activity is provided.
Patent WO-2021218738-A1 (WO)
Inventor: XU WEIWEI
IPC: H04N5/14
Filed: 2021-04-21
Abstract: A method and apparatus for acquiring a mapping curve parameter. The method comprises: acquiring a first mapping curve parameter set and a first target system display maximum brightness (1001); acquiring a display brightness parameter set (1002), wherein the display brightness parameter set comprises the maximum display brightness and/or the minimum display brightness of a display device; acquiring an adjustment coefficient set (1003), wherein the adjustment coefficient set comprises one or more adjustment coefficients, and the one or more adjustment coefficients correspond to one or more parameters in the first mapping curve parameter set; and according to the display brightness parameter set, the first target system display maximum brightness and the adjustment coefficient set, adjusting one or more parameters in the first mapping curve parameter set so as to obtain a second mapping curve parameter set (1004), wherein the second mapping curve parameter set comprises one or more adjusted parameters. By means of the present method, a more accurate hue adjustment can be provided for display devices of different brightnesses, and the flexibility is relatively high.
Patent WO-2022222061-A1 (WO)
Title: Robot teaching system and method and robot control system and method
Inventor: JIN FAN
IPC: B25J9/16
Filed: 2021-04-21
Abstract: Provided herein are a robot teaching system and method and a robot control system and method. The robot teaching system comprises: a mobile terminal, a server, a database and a plurality of robots, wherein the mobile terminal is connected to the server, and is used for receiving a robot operation instruction, and coordinate information of a plurality of positions by way of which a robot reaches an operation position, which robot operation instruction and coordinate information are input by an operator by means of a front-end interface, and for sending the robot operation instruction and the coordinate information to the server; the server is connected to the database, receives the robot operation instruction and the coordinate information by means of a rear-end service program, stores, in the database, the coordinate information of the plurality of positions by way of which the robot reaches the operation position, and converts the robot operation instruction into an operation instruction recognizable by the robot and then sends same to the robot; and the robot is used for performing an action according to a received control instruction. Herein, an operation of a robot can be simplified, thereby improving the convenience of programming in a robot application scenario, and reducing the cost required for hardware.
Patent WO-2022222118-A1 (WO)
Title: Split toothbrush
Inventor: HE ZHENDONG
IPC: A46B5/00
Filed: 2021-04-23
Abstract: A split toothbrush, comprising a toothbrush head (1) and a toothbrush handle (2), wherein the toothbrush handle (2) comprises a front handle end (24) and a rear handle end (22) connected by a handle neck (23); the toothbrush head (1) comprises a toothbrush back (11) and toothbrush bristles (12); the cross section of the toothbrush back (11) is a C-shaped structure having an upward opening, and a pair of chutes (14) are symmetrically arranged in the C-shaped structure; an upper portion of the C-shaped structure is provided with two pairs of fixing teeth (13) which protrude inwards; and the planes where the front handle end (24) and the rear handle end (22) are located are parallel to each other, the front handle end (24) is of a double-layer structure, a middle portion thereof is an upward protrusion, and four corners of the protrusion are each provided with a clamping recess (21). The problem of throwing away the toothbrush head (1) and the toothbrush handle (2) together is solved, and unnecessary waste is avoided. The split toothbrush has the advantages such as easy disassembly and assembly, reliable connection, and simple and convenient use.
Patent WO-2022222197-A1 (WO)
Inventor: DING XIANGEN
IPC: A61B5/145
Filed: 2021-05-07
Abstract: 多模个性化监测的方法，分解监测值为可变监测分量和固定监测分量，引入扩展分量监测监测值和背景噪声，通过关联函数和个性化特征集计算可变分量、固定分量和扩展分量，通过历史的和当前的监测数据，监测约定真值，执行对象算法和差分对象算法得到与对象的约定真值的误差小于允许误差的对象修正值；此外，通过对单个对象和多个对象的历史监测数据，采用对象算法和群体算法，优化个性化特征集，采用其他对象的监测数据进一步计算得到对象的群体修正值；还包括云网络大数据、局域网及单点等模式，解决传统的用一个标准测量全部个体所带来的困境。
Patent WO-2022012123-A1 (WO)
Inventor: ZHONG WEIDONG
IPC: G06F9/50
Filed: 2021-05-08
Abstract: 本申请实施例公开了一种数据处理方法、装置、电子设备及存储介质。所述方法包括：获取待运行模型的模型参数；根据所述模型参数从多个算法中确定目标算法；基于所述目标算法将所述待运行模型加载到对应的处理单元，以运行所述待运行模型。从而通过这种方式使得在确定待运行模型后，可以再通过确定模型参数的方式来选择具体基于哪种算法来运行待运行算法，从而使得模型的运行能够更加匹配待运行模型的参数，以提升模型运行过程中的性能。
Patent WO-2022001374-A1 (WO)
Inventor: MO BOYU
IPC: G06F3/0481
Filed: 2021-05-10
Abstract: 本申请实施例公开了一种内容分享方法及装置、设备和存储介质，其中，所述方法应用于具备显示屏的电子设备，所述方法包括：在第一应用的显示界面中，确定待分享的目标内容；响应于针对所述目标内容的移动操作，隐藏所述第一应用的显示界面；响应于所述移动操作的结束，若所述移动操作的终点与第一对象对应，则将所述目标内容分享至所述第一对象。
Patent WO-2022246710-A1 (WO)
Inventor: XU LEI
IPC: H04L12/801
Filed: 2021-05-26
Abstract: 一种控制数据流传输的方法及通信装置，可应用于数据中心网络等，用于解决现有技术中数据流传输时延较大的问题。其中方法可包括获得第一数据流集合中的M个数据流子集的分配速率，并测量这M个数据流子集的实际速率；根据获得的M个数据流子集的实际速率和分配速率，确定第一输出端口的空闲速率，并将空闲速率分配给第二数据流集合中的数据流子集，第一输出端口用于输出第一数据流集合和第二数据流集合中的数据流。通过将空闲速率分配给第二数据流集合，从而可提高第二数据流集合中的数据流的传输速率，进而可减小第二数据流集合中数据流的传输时延。
Patent WO-2021244565-A1 (WO)
Inventor: LI HAO
IPC: H03F3/189
Filed: 2021-06-02
Abstract: Disclosed are a radio-frequency power amplifier, a radio-frequency front-end module and a communication terminal. The radio-frequency power amplifier comprises a control unit, a power amplification unit, a detection unit and an input matching unit. In the radio-frequency power amplifier, the detection unit detects an index parameter related to the output power of the power amplification unit in real time, converts the index parameter into a voltage positively correlated to the magnitude of the index parameter, and outputs the voltage to the input matching unit, such that a phase change of a radio-frequency signal input into the power amplification unit is the opposite of a phase change generated by an output signal of the power amplification unit, thereby effectively realizing the compensation of phase distortion of radio-frequency signals output by the power amplification unit in different modes, and improving a linearity index of the radio-frequency front-end module.
Patent WO-2022246883-A1 (WO)
Title: 浸没式磁透镜电子枪及其光轴对中的方法
Inventor: CHEN XIYA
IPC: H01J3/02
Filed: 2021-06-02
Abstract: 本申请涉及该浸没式磁透镜电子枪，包括：电子束源、电子枪阳极及磁透镜，磁透镜中心处开设有光轴通孔，顶部设置有阳极安装槽，电子枪阳极设置在阳极安装槽内，电子枪阳极的底部及侧壁与阳极安装槽的内壁相贴附，电子枪阳极的侧壁上沿向外延伸，适用于与电镜外壳固定连接，电子束源设置在电子枪阳极上方，用以向下发射电子束。通过在磁透镜顶部开设有安装槽，并将结构与其紧密配合的电子枪阳极设在安装槽中，安装过程中确保对中精度，易于电子束源与电子枪阳极对中，通过本领域实施人员操作调节件，便于电子枪阳极与磁透镜对中，进一步优化对中位置，根据荧光屏上的电子束斑位置及显微图像特点，上至下逐级微调电子光学部件，实现整体系统对中。
Patent WO-2021249310-A1 (WO)
Inventor: MA XINLI
IPC: G02F1/133
Filed: 2021-06-04
Abstract: A display module and a driving method therefor, and a display apparatus, which relate to the technical field of display. The display module comprises an optical modulation structure (20) arranged on the light incident side of a display panel (10), wherein the display panel (10) comprises a texture identification device (111); when texture identification is performed, the optical modulation structure (20) receives an incident light ray provided by a backlight module, and converts the incident light ray at a target position into first polarized light, such that the first polarized light passes through the display panel (10) and irradiates an object (30) to be subjected to detection; the texture identification device (111) is configured to receive a light ray reflected by said object (30), so as to identify a texture image of said object (30); and in a preset area, incident light rays at positions other than a target position cannot enter the display panel (10).
Patent WO-2022257016-A1 (WO)
Title: Stable and noise-reduced food blender
Inventor: WU QUANZHAN
IPC: A47J43/046
Filed: 2021-06-08
Abstract: A stable and noise-reduced food blender, comprising a blender body (1), a blending cup (2), a blending knife (3), and a feeding port (4). The blending cup (2) is provided on the upper surface of the blender body (1); the blending knife (3) is mounted on the upper surface of the blender body (1); the feeding port (4) is formed on the upper surface of the blending cup (2); a sealing cover (5) is mounted on the surface of the feeding port (4); a noise reducing assembly (6) is mounted on the upper surface of the blender body (1); fixing assemblies (7) are arranged on the lower surface of the blender body (1); noise generated during the working of the food blender can be absorbed and blocked by means of the noise reducing assembly (6) that consists of a top board (8), a sound absorbing cotton layer (9), a sound blocking board (10), a fixing board (11), and a fastening bolt (12); and by means of each fixing assembly (7) that consists of a fixing column (13), a sliding rod (14), a fixing block (15), a sliding block (16), and an assisting block (17), the food blender can be fixed, so as to increase the stability of the food blender during working.
Patent WO-2022142154-A1 (WO)
Inventor: TONG YOUZHI
IPC: A61K31/4427
Filed: 2021-06-11
Abstract: 属于医药技术领域，具体涉及一种硫代咪唑烷酮药物或其药学上可接受的盐在制备用于治疗ACE2和TMPRSS2蛋白失调相关疾病的药物中的用途，尤其是在制备用于治疗COVID-19疾病的药物中的用途。
Patent WO-2022266889-A1 (WO)
Inventor: GROSMAN RONEN
IPC: G06F16/23
Filed: 2021-06-23
Abstract: L'invention concerne un procédé et un appareil permettant de réduire l'impact d'une maintenance de système de stockage de base de données. Des statistiques sont évaluées pour déterminer quand des enregistrements de base de données morts sont nettoyés par équilibrage du nettoyage en réduisant au minimum l'effet du nettoyage sur les performances. Les statistiques évaluées sont le pourcentage de tuples morts et le taux de réussite de l'élagage.
Patent WO-2022033199-A1 (WO)
Title: Method for obtaining user portrait and related device
Inventor: WANG WEIJIA
IPC: G06F16/9535
Filed: 2021-06-28
Abstract: The embodiments of the present application relate to the technical field of artificial intelligence. Provided are a method for obtaining a user portrait, and a related device. The method comprises: acquiring a user feature vector of a target user and a tag feature vector of content tags of multimedia content in a target application; then determining candidate tags of the target user according to the similarity between the user feature vector and the tag feature vector; and further determining a user portrait of the target user on the basis of the candidate tags. Compared with obtaining a user portrait on the basis of making statistics on tags, the user feature vector can better characterize the user preference, thereby improving the accuracy of the obtained user tags, and further improving the accuracy of the obtained user portrait. In addition, the obtained candidate tags comprise not only tags in historical behavior data of the target user, but also tags other than the historical behavior data, thereby improving the generalization capability, expanding the interests of the target user, and enabling the obtained user portrait to be more comprehensive and accurate.