Interactive intelligent tombstone system based on artificial intelligence

Abstract

The invention relates to the technical field of funeral and interment equipment, and discloses an interactive intelligent tombstone system based on artificial intelligence, which comprises an information acquisition and storage module, an AI data processing module, interactive terminal hardware, a privacy and safety management module and an environment self-adaption system, comprising but not limited to image, voice record, text record and social data, and the A I data processing module performs targeted fine adjustment based on a deep learning model according to the specific requirements of the system to generate the dynamic image and voice of the departed. According to the invention, the AI digital human technology is combined with the tombstone for the first time, so that'simulated commemoration 'is realized. According to the method, the image, voice, behaviors and the like of the departed saint are restored in an all-around mode through the AI technology, the departed saint seems to reproduce in front of a sacrificer, unprecedented immersion is brought to commemorative activities, the multi-modal data fusion technology is adopted, and interaction content conforming to the characters of the departed saint is dynamically generated.

Description

Technical Field

[0001] The present invention relates to the technical field of funeral equipment, and in particular to an interactive intelligent tombstone system based on artificial intelligence. Background Art

[0002] Traditional tombstones are relatively simple in function, mainly recording the basic information of the deceased through text and static images. This method lacks interactivity and emotional connection with the visitors. With the continuous development of science and technology, technologies such as speech synthesis, image generation, and natural language processing in the field of artificial intelligence have been maturely applied in many fields such as virtual assistants and digital humans. However, these advanced technologies have not yet been effectively combined with funeral memorial equipment.

[0003] Among the existing related technologies, although some digital tombstones have begun to support functions such as QR code links or video playback, they are still unable to achieve true dynamic interaction and are unable to meet people's needs for more personalized and emotional commemorations of the deceased. Therefore, there is an urgent need to develop an intelligent tombstone system that combines AI technology to provide realistic and personalized memorial services and fill the technological gap in this field. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the main purpose of the present invention is to provide an intelligent tombstone system that can restore the image, voice and behavioral characteristics of the deceased through AI technology and support two-way dialogue. Through such a system, the immersion and emotional value of memorial activities can be greatly enhanced, allowing the tomb sweepers to feel the "communication" with the deceased more truly, giving new connotations to funeral memorials, and solving the problem that in the existing related technologies, although some digital tombstones have begun to support functions such as QR code links or video playback, they still cannot achieve true dynamic interaction and are difficult to meet people's needs for more personalized and emotional commemorations of the deceased.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of allowing tomb-sweepers to feel the "communication" with the deceased more truly, the present invention provides the following technical solutions: an interactive intelligent tombstone system based on artificial intelligence, including an information collection and storage module, an AI data processing module, interactive terminal hardware, a privacy and security management module and an environmental adaptive system, wherein the information collection and storage module is responsible for collecting various data of the deceased during his lifetime, including but not limited to images, voice records, text records and social data;

[0008] The AI ​​data processing module is based on a deep learning model and is fine-tuned according to the specific needs of the system to generate a dynamic image and voice of the deceased;

[0009] The interactive terminal hardware includes a tombstone body with an integrated waterproof display, camera, microphone, speaker, touch sensor, as well as a network module and a power supply system consisting of a solar panel and a backup power supply;

[0010] The privacy and security management module uses blockchain technology to encrypt and store user data, and sets up hierarchical management of relatives' permissions, equipped with biometric verification of access rights;

[0011] The environmental adaptation system detects environmental parameters through temperature and humidity sensors and light intensity sensors, automatically adjusts screen brightness and device power consumption, and supports basic conversation functions in offline mode.

[0012] Preferably, the AI ​​models include DeepSeek, GPT-4, CLIP, StyleGAN, etc.

[0013] Preferably, the AI ​​model optimizes the dialogue logic and emotional expression through continuous learning. As relatives and friends interact with the tombstone body, new data is continuously input into the system. The system uses this data to continuously train and optimize the AI ​​model through deep learning algorithms, so that the generated dialogue content is more in line with the characteristics of the deceased in terms of logic and emotional expression.

[0014] Preferably, the privacy encryption module uses blockchain platforms such as Ethereum to encrypt and store data to ensure the security and non-tamperability of the data. It is also equipped with a high-precision capacitive fingerprint recognition sensor and a biometric device for facial recognition based on a deep separable convolutional neural network to verify access rights.

[0015] Preferably, the waterproof display screen is a high-resolution liquid crystal display screen, the pixel of the camera is not less than 5 million, and the power of the speaker reaches 5W or more.

[0016] Preferably, the touch sensor supports gesture and touch operations, and the power of the solar panel is 50W.

[0017] Preferably, the network module supports 5G / Wi-Fi antennas, the 5G module uses a communication chip that complies with the latest 5G standards, and the Wi-Fi module supports 802.11ac and above standards to ensure that the device is connected online.

[0018] Preferably, the AI ​​memorial data generation method further comprises the following steps:

[0019] Step 1: Data collection, including the images, voice, text, social data, etc. of the deceased, as well as data supplemented by relatives and friends later;

[0020] Step 2: Feature extraction: Use the pre-trained ResNet model to extract features from the image, and use the recurrent neural network RNN ​​to process the text and voice data to extract key features;

[0021] Step 3: Model training, using algorithms such as Markov chain-based language models, combined with the deceased’s common vocabulary, grammatical habits, emotional expressions, etc., to generate natural answers that match the deceased’s style;

[0022] Step 4: Generate real-time interactive content and display relevant conversation content on the waterproof display screen.

[0023] Preferably, the privacy and security settings of the privacy encryption module include the following steps:

[0024] Step 1: User authentication. The user authenticates through fingerprint recognition or facial recognition;

[0025] Step 2: Access rights management. Different levels of access rights can be set according to the closeness of the relatives to the deceased and their actual needs. For example, first-degree relatives can have the highest rights, and second-degree relatives have partial viewing and interaction rights, etc.

[0026] Step 3: Data encryption and storage. Use blockchain platforms such as Ethereum to store user data in encrypted form to ensure data security and non-tamperability;

[0027] Step 4: Security log recording. Every time a user accesses the system and performs an operation, detailed log information will be recorded for subsequent query and audit.

[0028] Beneficial Effects

[0029] Compared with the prior art, the present invention provides an interactive intelligent tombstone system based on artificial intelligence, which has the following beneficial effects:

[0030] 1. This interactive intelligent tombstone system based on artificial intelligence is the first to combine AI digital human technology with tombstones to achieve "simulated memorialization". Through AI technology, the image, voice, behavior, etc. of the deceased are fully restored, making the deceased seem to "reappear" in front of the tomb sweepers, bringing an unprecedented sense of immersion to the memorial activities.

[0031] 2. This AI-based interactive intelligent tombstone system uses multimodal data fusion technology to dynamically generate interactive content that matches the personality of the deceased. It uses multimodal data such as the deceased's image, voice, and text, and integrates them through advanced algorithms, so that the generated dialogue content not only matches the deceased in terms of language style, but also matches the deceased's characteristics in terms of emotional expression and behavioral logic.

[0032] 3. This interactive intelligent tombstone system based on artificial intelligence uses a continuous learning mechanism to gradually optimize the AI ​​model with the interaction data of relatives and friends. As relatives and friends continue to interact with the tombstone, new data is continuously input into the system. The system uses this data to continuously train and optimize the AI ​​model through deep learning algorithms, making the restoration of the deceased's characteristics and the generation of conversation content more and more accurate and natural. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a system architecture diagram of the present invention;

[0034] Figure 2 This is a schematic diagram of the tombstone structure of the present invention;

[0035] Figure 3 Schematic diagram of the internal structure of the display screen of the present invention

[0036] Figure 4 Generate a flow chart for the AI ​​dialogue of the present invention;

[0037] Figure 5 A schematic diagram of the user interaction interface of the present invention;

[0038] Figure 6 A flowchart of the privacy and security settings of the present invention.

[0039] In the figure: 1 tombstone body, 101 waterproof display screen, 102 camera, 103 microphone, 104 speaker, 105 touch sensor, 2 network module, 3 solar panel. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-6,The interactive intelligent tombstone system based on artificial intelligence includes information collection and storage module, AI data processing module, interactive terminal hardware, privacy and security management module and environment adaptive system.,The information collection and storage module is responsible for collecting various data of the deceased before his death, including but not limited to images such as videos, photos, etc., voice records, text records such as diaries, letters, etc., and social data such as dynamics and messages on social media;

[0042] The AI ​​data processing module is based on a deep learning model and is fine-tuned according to the specific needs of this system to generate the dynamic image and voice of the deceased;

[0043] The interactive terminal hardware includes a tombstone body 1 with an integrated waterproof display screen 101, a camera 102, a microphone 103, a speaker 104, a touch sensor 105, a network module 2, and a power supply system consisting of a solar panel 3 and a backup power supply;

[0044] The privacy and security management module uses blockchain technology to encrypt and store user data, and sets up hierarchical management of relatives' permissions, equipped with biometrics such as fingerprint and facial recognition to verify access rights;

[0045] The environmental adaptation system detects environmental parameters through temperature and humidity sensors and light intensity sensors, automatically adjusts screen brightness and device power consumption, and supports basic conversation functions in offline mode.

[0046] exist Figure 1 In the information collection and storage module

[0047] This module is responsible for collecting various data of the deceased during his / her lifetime, including but not limited to images such as videos and photos, voice records, text records such as diaries and letters, and social data such as updates and messages on social media. By collecting these multi-source data, a personalized database is built to provide a rich data foundation for subsequent AI restoration of the deceased's characteristics.

[0048] In terms of hardware, it can be equipped with a camera 102, for example, with a pixel of 1080P or above for collecting images, a high-sensitivity microphone 103, with a sensitivity of -30dB or below, for collecting voices, and a large-capacity storage device such as a solid-state hard drive. The capacity can be selected according to actual needs. It is recommended to start with at least 500GB to store the collected data.

[0049] It supports relatives and friends to supplement data later, such as letters, photos, etc. When new data is input, the system will use deep learning-based AI algorithms, such as the pre-trained ResNet model, to extract features from the image, and then use the recurrent neural network RNN ​​to process the text and voice data to continuously optimize the model, making the restoration of the deceased's characteristics more accurate.

[0050] AI data processing module

[0051] Based on deep learning models such as DeepSeek, GPT-4, CLIP, StyleGAN and other models as the basic architecture, and according to the specific needs of this system, targeted fine-tuning is performed to generate the dynamic image and voice of the deceased. For example, the generation capability of the StyleGAN model is combined with the image data of the deceased to generate a more realistic 3D dynamic image, and the GPT-4 or similar powerful language model is combined with the text and voice records of the deceased to generate dialogue content that conforms to their language style.

[0052] User input is parsed through natural language processing (NLP). Specifically, an NLP model based on the Transfrmer architecture, such as an improved version of BERT, can be used. This model has strong semantic understanding capabilities. After parsing the user input, the conversation content is generated in combination with the deceased's language style during his lifetime. When generating the conversation content, the common vocabulary, grammatical habits, emotional expressions and other information stored in the database of the deceased are referenced. By building a language model such as a language model based on a Markov chain to simulate the deceased's way of speaking, a more natural answer that fits the deceased's style is generated.

[0053] Interactive terminal hardware

[0054] The tombstone body 1 integrates a series of hardware devices to realize interactive functions. Among them, the waterproof display screen 101 adopts a high-brightness, high-resolution LCD screen, such as a brightness of 500 nits or above, and a resolution of 1920×1080 or above, which can clearly display the dynamic image of the deceased and ensure good visibility even in outdoor environments.

[0055] Equipped with a 102-megapixel camera of no less than 5 million pixels to capture user images and environmental perception, so that the system can make corresponding emotional interaction feedback based on the user's expressions, movements, etc.

[0056] The microphone 103 and the speaker 104 use high-quality audio equipment. The microphone 103 has a good noise reduction function and can achieve a noise reduction effect of 30dB or more. The speaker 104 has a power of 5W or more, which can achieve clear voice interaction.

[0057] The touch sensor 105 adopts a high-precision capacitive touch sensor, which can accurately recognize various gestures and touch operations, and provide a convenient interaction method for users.

[0058] The built-in power supply system consists of 3 solar panels. The power can be selected according to the local sunshine conditions and the power consumption requirements of the equipment. For example, a solar panel with a power of 50W and a backup power supply such as a lithium battery with a capacity of 10Ah or above can be selected to ensure that the equipment can be continuously and stably powered under different lighting conditions.

[0059] Network module 2 supports 5G / Wi-Fi / satellite communications. The 5G module uses communication chips that meet the latest 5G standards, such as Qualcomm Snapdragon X55 and similar products. The Wi-Fi module supports 802.11ac and above standards. Satellite communication can use mature satellite communication systems such as Iridium to ensure that the device can achieve a stable online connection and meet the needs of data transmission and real-time interaction.

[0060] Privacy and Security Management Module

[0061] Use blockchain technology to encrypt and store user data. Specifically, mature blockchain platforms such as Ethereum can be used, and data encryption storage and permission management can be achieved based on its smart contract function. By storing data in encrypted form on the blockchain, the security and immutability of the data are ensured.

[0062] Set up hierarchical management of relatives' permissions, and divide access permissions into different levels according to the closeness of the relatives' relationship with the deceased and actual needs. For example, first-level relatives can have the highest permissions, including data upload, modification, deletion and other operations; second-level relatives have partial viewing and interaction permissions, etc.

[0063] Equipped with biometrics such as fingerprint and facial recognition to verify access rights. Fingerprint recognition can use a high-precision capacitive fingerprint recognition sensor with an accuracy rate of 99% or more. Facial recognition uses a deep learning-based facial recognition algorithm such as a deep separable convolutional neural network for feature extraction and recognition, with an accuracy rate of 98% or more. Only verified users can access data and functions at the corresponding level.

[0064] Environmental Adaptive System

[0065] The temperature and humidity sensor can measure ±0.5℃ and ±3%RH and the light intensity sensor can measure ±5l ux to detect the temperature, humidity and light intensity of the surrounding environment. According to the detection results, the screen brightness is automatically adjusted. The intelligent dimming algorithm is used to linearly adjust the screen brightness according to the light intensity to ensure that the screen has appropriate visibility and device power consumption under different lighting conditions. When the ambient temperature is low, the operating frequency of the device is appropriately reduced to reduce power consumption; when the ambient temperature is high, the heat dissipation mechanism is activated and the power consumption is reasonably adjusted.

[0066] Supports basic conversation functions in offline mode. In offline mode, the system will pre-load some commonly used conversation templates and basic feature data of the deceased into the local cache. When the user initiates a conversation, the local natural language processing module can use a lightweight NLP model, such as the CNN-NLP model based on the convolutional neural network, to parse and generate answers. Although the function may be limited compared to the online mode, it can still ensure basic conversation interaction.

[0067] In addition, AI dialogue generation includes the following steps:

[0068] Step 1: The user inputs voice or text, and the user inputs the content that he wants to communicate with the deceased through the microphone 103 or the touch input box;

[0069] Step 2: NLP analyzes user intent, using an NLP model with a Transformer architecture, such as an improved version of BERT, to understand the semantics of user input and parse intent.

[0070] Step 3: Match the voice, text, and behavior characteristics of the relevant data from the database of the deceased. According to the analyzed intention, search for relevant voice, text, behavior characteristics and other information from the database storing various data of the deceased during his lifetime;

[0071] Step 4: Generate conversation content that matches the style of the deceased. Use algorithms such as the Markov chain-based language model, combined with the deceased's common vocabulary, grammatical habits, emotional expressions, etc., to generate natural responses that match the deceased's style.

[0072] Step 5: Present the results of the conversation through speech synthesis and display screen. Use speech synthesis technology such as TTS to convert the generated answer into speech and play it through the speaker. At the same time, the dynamic image of the deceased and the content of the conversation are displayed on the display screen.

[0073] In summary, the interactive intelligent tombstone system based on artificial intelligence, the display interface of the waterproof display screen 101 includes:

[0074] The dynamic image display area of ​​the deceased. In this area, the dynamic image of the deceased is displayed with high definition and high fidelity, allowing users to see the "deceased" intuitively.

[0075] Dialogue input box and send button. The user enters the content they want to communicate in this input box, and then clicks the send button to send the content to the system for processing.

[0076] Touch operation prompts and menu options. Provide some touch operation prompts and menu options to facilitate users to perform operations such as viewing historical conversations and settings.

[0077] Emotional interaction feedback area such as expressions and actions. Based on the user's input and the conversation content generated by the system, the dynamic image of the deceased will make corresponding expressions, actions and other emotional interaction feedback to enhance the realism of the interaction.

[0078] In addition, this interactive intelligent tombstone system based on artificial intelligence,

[0079] Data preparation stage

[0080] Relatives first need to upload the deceased's images such as videos, photos, voice samples and text records to the cloud server. During the upload process, the system will use the GAN generative adversarial network to generate 3D dynamic images for the image data. Specifically, mature GAN models such as StyleGAN can be used for processing. For voice features, TTS voice synthesis technology, such as the use of well-known speech synthesis engines such as iFlytek, can be used to restore voice features, making the generated voice more natural and realistic.

[0081] At the same time, the system will pre-process the uploaded text records and use natural language processing techniques such as lexical analysis and syntactic analysis to extract key information, in preparation for the subsequent construction of a database of the deceased and the generation of conversation content.

[0082] Interaction flow example

[0083] When the user approaches a tombstone, the infrared sensor on the tombstone automatically activates the device, and the screen then displays a virtual image of the deceased.

[0084] Suppose the user says "I want to talk to you about my recent work", the system first uses NLP to identify the intention using an NLP model with a Transformer architecture, such as an improved version of BERT, and analyzes that the user wants to communicate with the deceased about work. Then, combined with the information about the deceased's common vocabulary and values ​​stored in the deceased's database, the generated answer is obtained through the collection and organization of the deceased's data before his death: "Child, no matter how busy you are, you must pay attention to your health. I remember that you always stayed up late to review in high school..." This answer not only conforms to the deceased's way of speaking in terms of language style, but also reflects the deceased's concern for the user in terms of emotional expression.

[0085] After generating the answer, the system converts the answer into speech through speech synthesis technology such as iFlytek's speech synthesis engine and plays it through the speaker. At the same time, the dynamic image of the deceased and the content of the conversation are displayed on the display screen, realizing a complete interactive process.

[0086] Extended functionality

[0087] Supports access to AR / VR devices to provide an immersive tomb-sweeping experience. When users wear AR / VR devices and interact with tombstones, the system will present a more realistic image of the deceased and the surrounding environment of the cemetery in a virtual environment based on the user's perspective and operation, making the user feel as if they are in a real scene with the deceased, further enhancing the immersion of the memorial event.

[0088] Automatically push memorial content to relatives' mobile phones on the anniversary of the death of the deceased. The system will send carefully crafted memorial content such as precious images of the deceased and memorable texts to relatives' mobile phones through SMS and APP push on the anniversary of the death of the deceased according to the pre-set schedule, so that relatives can feel the commemoration of the deceased even from afar.

[0089] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0090] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An interactive intelligent tombstone system based on artificial intelligence, including an information collection and storage module, an AI data processing module, an interactive terminal hardware, a privacy and security management module and an environmental adaptive system, characterized by: The information collection and storage module is responsible for collecting various data of the deceased during his / her lifetime, including but not limited to images (such as videos, photos, etc.), voice records, text records (such as diaries, letters, etc.) and social data (such as dynamics and messages on social media, etc.); The AI ​​data processing module is based on a deep learning model and is fine-tuned according to the specific needs of the system to generate a dynamic image and voice of the deceased; The interactive terminal hardware includes a tombstone body (1) integrated with a waterproof display screen (101), a camera (102), a microphone (103), a speaker (104), and a touch sensor (105), as well as a network module (2) and a power supply system composed of a solar panel (3) and a backup power supply; The privacy and security management module uses blockchain technology to encrypt and store user data, and sets up hierarchical management of relatives' permissions, and is equipped with biometrics (such as fingerprints and facial recognition) to verify access rights; The environmental adaptation system detects environmental parameters through temperature and humidity sensors and light intensity sensors, automatically adjusts screen brightness and device power consumption, and supports basic conversation functions in offline mode.

2. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The AI ​​models include DeepSeek, GPT-4, CLIP, StyleGAN, etc.

3. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The AI ​​model optimizes the dialogue logic and emotional expression through continuous learning. As relatives and friends interact with the tombstone body (1), new data is continuously input into the system. The system uses this data to continuously train and optimize the AI ​​model through a deep learning algorithm, so that the generated dialogue content is more in line with the characteristics of the deceased in terms of logic and emotional expression.

4. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The privacy encryption module uses blockchain platforms such as Ethereum to encrypt and store data to ensure the security and non-tamperability of the data. It is also equipped with a high-precision capacitive fingerprint recognition sensor (with a recognition accuracy of 99% or more) and a biometric device based on a deep separable convolutional neural network for facial recognition (with a recognition accuracy of 98% or more) to verify access rights.

5. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The waterproof display screen (101) is a high-resolution liquid crystal display screen, the pixel of the camera (102) is not less than 5 million, and the power of the speaker (104) reaches 5W or more.

6. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The touch sensor (105) supports gesture and touch operations, and the power of the solar panel (106) is 50W.

7. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The network module (2) supports 5G / Wi-Fi antennas, the 5G module uses a communication chip that complies with the latest 5G standard, and the Wi-Fi module supports 802.11ac and above standards to ensure that the device is connected online.

8. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The AI ​​memorial data generation method further includes the following steps: Step 1: Data collection, including the images, voice, text, social data, etc. of the deceased, as well as data supplemented by relatives and friends later; Step 2: Feature extraction: Use the pre-trained ResNet model to extract features from the image, and use the recurrent neural network RNN ​​to process the text and voice data to extract key features; Step 3: Model training, using algorithms such as Markov chain-based language models, combined with the deceased’s common vocabulary, grammatical habits, emotional expressions, etc., to generate natural answers that match the deceased’s style; Step 4: Real-time interactive content is generated, and relevant conversation content is displayed on the waterproof display screen (101).

9. The interactive intelligent tombstone system based on artificial intelligence according to claim 1 is characterized in that: The privacy and security settings of the privacy encryption module include the following steps: Step 1: User authentication (through biometrics). The user authenticates through fingerprint recognition (high-precision capacitive fingerprint sensor) or facial recognition (facial recognition based on deep separable convolutional neural network); Step 2: Access rights management (set access levels for different relatives). Set different access rights levels based on the closeness of the relatives to the deceased and actual needs. For example, first-degree relatives can have the highest permissions, and second-degree relatives have partial viewing and interaction permissions, etc. Step 3: Data encryption storage (encryption using blockchain technology). Use blockchain platforms such as Ethereum to store user data in encrypted form to ensure data security and non-tamperability; Step 4: Security log recording (recording each access and operation details). Every time a user accesses the system and performs an operation, detailed log information will be recorded for subsequent query and audit.

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