公开(公告)号：US20250037212A1

公开(公告)日：2025-01-30

申请号：US18883896

申请日：2024-09-12

Applicant: Meta Platforms Technologies, LLC

Inventor： Xiaohu Liu ,  Baiyang Liu ,  Rajen Subba

IPC: G06Q50/00 ,  G06F3/01 ,  G06F3/16 ,  G06F9/451 ,  G06F9/48 ,  G06F9/54 ,  G06F16/332 ,  G06F16/9032 ,  G06F16/9536 ,  G06F18/2321 ,  G06F40/205 ,  G06F40/242 ,  G06F40/253 ,  G06F40/295 ,  G06F40/30 ,  G06F40/35 ,  G06F40/56 ,  G06N3/04 ,  G06N3/045 ,  G06N3/047 ,  G06N3/08 ,  G06N20/00 ,  G06Q10/109 ,  G06Q30/0601 ,  G06V10/20 ,  G06V10/764 ,  G06V10/82 ,  G06V20/00 ,  G06V20/20 ,  G06V20/30 ,  G06V20/40 ,  G06V40/16 ,  G06V40/20 ,  G10L15/06 ,  G10L15/08 ,  G10L15/16 ,  G10L15/18 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  H04L51/18 ,  H04L51/212 ,  H04L51/222 ,  H04L51/224 ,  H04L51/52 ,  H04L67/306 ,  H04L67/75 ,  H04N7/14

Abstract: In one embodiment, a method includes establishing a video call between a plurality of client systems, wherein access to an assistant system is persistently maintained during the video call, receiving, from a first client system of the plurality of client systems, a request by a first user to be performed by the assistant system during the video call, wherein the request references one or more activities associated with one or more users associated with the plurality of client systems, analyzing, by a context engine of the assistant system, images of a scene of the video call to identify the one or more activities within the scene, instructing the assistant system to execute the request based on the identified one or more activities, and sending, to one or more of the plurality of client systems, a response to the request while maintaining the video call between the plurality of client systems.

公开(公告)号：US12125272B2

公开(公告)日：2024-10-22

申请号：US18449525

申请日：2023-08-14

Applicant: Meta Platforms Technologies, LLC

Inventor： Paul Anthony Crook ,  Francislav P. Penov ,  Rajen Subba ,  Xiaohu Liu

IPC: G06V10/82 ,  G06F3/01 ,  G06F3/16 ,  G06F7/14 ,  G06F9/451 ,  G06F16/176 ,  G06F16/22 ,  G06F16/23 ,  G06F16/242 ,  G06F16/2455 ,  G06F16/2457 ,  G06F16/248 ,  G06F16/33 ,  G06F16/332 ,  G06F16/338 ,  G06F16/903 ,  G06F16/9032 ,  G06F16/9038 ,  G06F16/904 ,  G06F16/951 ,  G06F16/9535 ,  G06F18/2411 ,  G06F40/205 ,  G06F40/295 ,  G06F40/30 ,  G06F40/40 ,  G06N3/006 ,  G06N3/08 ,  G06N7/01 ,  G06N20/00 ,  G06Q50/00 ,  G06V10/764 ,  G06V20/10 ,  G06V40/20 ,  G10L15/02 ,  G10L15/06 ,  G10L15/07 ,  G10L15/16 ,  G10L15/18 ,  G10L15/183 ,  G10L15/187 ,  G10L15/22 ,  G10L15/26 ,  G10L17/06 ,  G10L17/22 ,  H04L5/02 ,  H04L12/28 ,  H04L41/00 ,  H04L41/22 ,  H04L43/0882 ,  H04L43/0894 ,  H04L51/02 ,  H04L51/18 ,  H04L51/216 ,  H04L51/52 ,  H04L67/306 ,  H04L67/50 ,  H04L67/5651 ,  H04L67/75 ,  H04W12/08 ,  G10L13/00 ,  G10L13/04 ,  H04L51/046 ,  H04L67/10 ,  H04L67/53

CPC classification number: G06V10/82 ,  G06F3/011 ,  G06F3/013 ,  G06F3/017 ,  G06F3/167 ,  G06F7/14 ,  G06F9/453 ,  G06F16/176 ,  G06F16/2255 ,  G06F16/2365 ,  G06F16/243 ,  G06F16/24552 ,  G06F16/24575 ,  G06F16/24578 ,  G06F16/248 ,  G06F16/3323 ,  G06F16/3329 ,  G06F16/3344 ,  G06F16/338 ,  G06F16/90332 ,  G06F16/90335 ,  G06F16/9038 ,  G06F16/904 ,  G06F16/951 ,  G06F16/9535 ,  G06F18/2411 ,  G06F40/205 ,  G06F40/295 ,  G06F40/30 ,  G06F40/40 ,  G06N3/006 ,  G06N3/08 ,  G06N7/01 ,  G06N20/00 ,  G06Q50/01 ,  G06V10/764 ,  G06V20/10 ,  G06V40/28 ,  G10L15/02 ,  G10L15/063 ,  G10L15/07 ,  G10L15/16 ,  G10L15/1815 ,  G10L15/1822 ,  G10L15/183 ,  G10L15/187 ,  G10L15/22 ,  G10L15/26 ,  G10L17/06 ,  G10L17/22 ,  H04L5/02 ,  H04L12/2816 ,  H04L41/20 ,  H04L41/22 ,  H04L43/0882 ,  H04L43/0894 ,  H04L51/02 ,  H04L51/18 ,  H04L51/216 ,  H04L51/52 ,  H04L67/306 ,  H04L67/535 ,  H04L67/5651 ,  H04L67/75 ,  H04W12/08 ,  G06F2216/13 ,  G10L13/00 ,  G10L13/04 ,  G10L2015/223 ,  G10L2015/225 ,  H04L51/046 ,  H04L67/10 ,  H04L67/53

Abstract: In one embodiment, a method includes receiving a user request from a first user from a client system associated with a first user, wherein the user request comprise a gesture-input from the first user and a speech-input from the first user, determining an intent corresponding to the user request based on the gesture-input by a personalized gesture-classification model associated with the first user, executing one or more tasks based on the determined intent and the speech-input, and sending instructions for presenting execution results of the one or more tasks to the client system responsive the user request.

公开(公告)号：US11699194B2

公开(公告)日：2023-07-11

申请号：US16742668

申请日：2020-01-14

Applicant: Meta Platforms Technologies, LLC

Inventor： Xiaohu Liu ,  Zhiguang Wang ,  Rajen Subba

IPC: G06F40/30 ,  G06F9/54 ,  G06F40/205 ,  G06F40/242 ,  G06N3/04 ,  G06F16/9536 ,  G10L15/18 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  G06F40/253 ,  G06N20/00 ,  G06F3/01 ,  G06F16/9032 ,  G06F9/48 ,  G10L15/08 ,  H04N7/14 ,  H04L67/306 ,  G06V10/20 ,  G06V20/20 ,  G06V20/30 ,  G06V20/40 ,  G06V40/16 ,  G06Q50/00 ,  H04L51/52 ,  H04L51/212 ,  H04L67/75 ,  G06F9/451 ,  G06F16/332 ,  G06F40/35 ,  G06K9/62 ,  G06F3/16 ,  G06N3/08 ,  G10L15/06 ,  G10L15/16 ,  G06F18/2321 ,  G06N3/045 ,  G06N3/047 ,  G06V10/764 ,  G06V10/82 ,  G06F40/56 ,  H04L51/18 ,  G06V20/00 ,  G06V40/20 ,  H04L51/222 ,  H04L51/224 ,  G06Q10/109

CPC classification number: G06Q50/01 ,  G06F3/011 ,  G06F3/013 ,  G06F9/453 ,  G06F9/485 ,  G06F9/4881 ,  G06F9/547 ,  G06F16/3329 ,  G06F16/90332 ,  G06F16/9536 ,  G06F18/2321 ,  G06F40/205 ,  G06F40/242 ,  G06F40/253 ,  G06F40/30 ,  G06F40/35 ,  G06F40/56 ,  G06N3/045 ,  G06N3/047 ,  G06N3/0454 ,  G06N3/0472 ,  G06N3/08 ,  G06N20/00 ,  G06Q10/109 ,  G06V10/255 ,  G06V10/764 ,  G06V10/82 ,  G06V20/00 ,  G06V20/20 ,  G06V20/30 ,  G06V40/16 ,  G06V40/25 ,  G10L15/063 ,  G10L15/08 ,  G10L15/16 ,  G10L15/1815 ,  G10L15/1822 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  H04L51/18 ,  H04L51/212 ,  H04L51/222 ,  H04L51/224 ,  H04L51/52 ,  H04L67/306 ,  H04L67/75 ,  H04N7/147 ,  G06F3/017 ,  G06F3/167 ,  G06V20/41 ,  G06V40/174 ,  G06V2201/10 ,  G10L2015/088 ,  G10L2015/223 ,  G10L2015/227

Abstract: In one embodiment, a method includes receiving a first user request to execute a first task comprising one or more sub-tasks from a client system associated with a user, receiving a second user request to suspend the first task from the client system, storing a dialog state for the first task in response to the second user request, wherein the dialog state comprises results of executed sub-tasks and a status indicating the first task is suspended, receiving a third user request to resume the first task, accessing the dialog state for the first task, and providing a prompt to resume the first task at the client system.

公开(公告)号：US20250118065A1

公开(公告)日：2025-04-10

申请号：US18915864

申请日：2024-10-15

Applicant: Meta Platforms Technologies, LLC

Inventor： Paul Anthony Crook ,  Xiaohu Liu ,  Francislav P. Penov ,  Rajen Subba

IPC: G06V10/82 ,  G06F3/01 ,  G06F3/16 ,  G06F7/14 ,  G06F9/451 ,  G06F16/176 ,  G06F16/22 ,  G06F16/23 ,  G06F16/242 ,  G06F16/2455 ,  G06F16/2457 ,  G06F16/248 ,  G06F16/33 ,  G06F16/332 ,  G06F16/338 ,  G06F16/903 ,  G06F16/9032 ,  G06F16/9038 ,  G06F16/904 ,  G06F16/951 ,  G06F16/9535 ,  G06F18/2411 ,  G06F21/62 ,  G06F40/205 ,  G06F40/295 ,  G06F40/30 ,  G06F40/40 ,  G06N3/006 ,  G06N3/08 ,  G06N7/01 ,  G06N20/00 ,  G06Q50/00 ,  G06V10/764 ,  G06V20/10 ,  G06V40/20 ,  G10L13/00 ,  G10L13/04 ,  G10L15/02 ,  G10L15/06 ,  G10L15/07 ,  G10L15/16 ,  G10L15/18 ,  G10L15/183 ,  G10L15/187 ,  G10L15/22 ,  G10L15/26 ,  G10L17/06 ,  G10L17/22 ,  H04L5/02 ,  H04L12/28 ,  H04L41/00 ,  H04L41/22 ,  H04L43/0882 ,  H04L43/0894 ,  H04L51/02 ,  H04L51/046 ,  H04L51/18 ,  H04L51/216 ,  H04L51/52 ,  H04L67/10 ,  H04L67/306 ,  H04L67/50 ,  H04L67/53 ,  H04L67/5651 ,  H04L67/75 ,  H04W12/08

Abstract: In one embodiment, a method includes receiving a user request from a first user from a client system associated with a first user, wherein the user request comprise a gesture-input from the first user and a speech-input from the first user, determining an intent corresponding to the user request based on the gesture-input by a personalized gesture-classification model associated with the first user, executing one or more tasks based on the determined intent and the speech-input, and sending instructions for presenting execution results of the one or more tasks to the client system responsive the user request.

公开(公告)号：US12182883B2

公开(公告)日：2024-12-31

申请号：US17500679

申请日：2021-10-13

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Xiaohu Liu ,  Baiyang Liu ,  Rajen Subba

IPC: G06Q50/00 ,  G06F3/01 ,  G06F9/451 ,  G06F9/48 ,  G06F9/54 ,  G06F16/332 ,  G06F16/9032 ,  G06F16/9536 ,  G06F18/2321 ,  G06F40/205 ,  G06F40/242 ,  G06F40/253 ,  G06F40/295 ,  G06F40/30 ,  G06F40/35 ,  G06F40/56 ,  G06N3/04 ,  G06N3/045 ,  G06N3/047 ,  G06N3/08 ,  G06N20/00 ,  G06Q10/109 ,  G06Q30/0601 ,  G06V10/20 ,  G06V10/764 ,  G06V10/82 ,  G06V20/00 ,  G06V20/20 ,  G06V20/30 ,  G06V40/16 ,  G06V40/20 ,  G10L15/06 ,  G10L15/08 ,  G10L15/16 ,  G10L15/18 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  H04L51/18 ,  H04L51/212 ,  H04L51/222 ,  H04L51/224 ,  H04L51/52 ,  H04L67/306 ,  H04L67/75 ,  H04N7/14 ,  G06F3/16 ,  G06V20/40

Abstract: In one embodiment, a method includes establishing a video call between a plurality of client systems, wherein access to an assistant system is persistently maintained during the video call, receiving, from a first client system of the plurality of client systems, a request by a first user to be performed by the assistant system during the video call, wherein the request references one or more activities associated with one or more users associated with the plurality of client systems, analyzing, by a context engine of the assistant system, images of a scene of the video call to identify the one or more activities within the scene, instructing the assistant system to execute the request based on the identified one or more activities, and sending, to one or more of the plurality of client systems, a response to the request while maintaining the video call between the plurality of client systems.

公开(公告)号：US11823289B2

公开(公告)日：2023-11-21

申请号：US18061910

申请日：2022-12-05

Applicant: Meta Platforms Technologies, LLC

Inventor： Xiaohu Liu ,  Zhiguang Wang ,  Rajen Subba

IPC: G06F40/30 ,  G06F9/54 ,  G06F40/205 ,  G06N3/04 ,  G06F16/9536 ,  G10L15/18 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  G06F40/253 ,  G06N20/00 ,  G06F3/01 ,  G06F9/48 ,  G10L15/08 ,  H04N7/14 ,  H04L67/306 ,  G06V10/20 ,  G06V20/20 ,  G06V20/30 ,  G06V20/40 ,  G06V40/16 ,  G06Q50/00 ,  H04L51/52 ,  H04L51/212 ,  H04L67/75 ,  G06F9/451 ,  G06F16/332 ,  G06F40/35 ,  G06K9/62 ,  G06F3/16 ,  G06F40/242 ,  G06N3/08 ,  G06F16/9032 ,  G10L15/06 ,  G10L15/16 ,  G06F18/2321 ,  G06N3/045 ,  G06N3/047 ,  G06V10/764 ,  G06V10/82 ,  G06F40/56 ,  H04L51/18 ,  G06V20/00 ,  G06V40/20 ,  H04L51/222 ,  H04L51/224 ,  G06Q10/109

CPC classification number: G06Q50/01 ,  G06F3/011 ,  G06F3/013 ,  G06F9/453 ,  G06F9/485 ,  G06F9/4881 ,  G06F9/547 ,  G06F16/3329 ,  G06F16/90332 ,  G06F16/9536 ,  G06F18/2321 ,  G06F40/205 ,  G06F40/242 ,  G06F40/253 ,  G06F40/30 ,  G06F40/35 ,  G06F40/56 ,  G06N3/045 ,  G06N3/047 ,  G06N3/08 ,  G06N20/00 ,  G06Q10/109 ,  G06V10/255 ,  G06V10/764 ,  G06V10/82 ,  G06V20/00 ,  G06V20/20 ,  G06V20/30 ,  G06V40/16 ,  G06V40/25 ,  G10L15/063 ,  G10L15/08 ,  G10L15/16 ,  G10L15/1815 ,  G10L15/1822 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  H04L51/18 ,  H04L51/212 ,  H04L51/222 ,  H04L51/224 ,  H04L51/52 ,  H04L67/306 ,  H04L67/75 ,  H04N7/147 ,  G06F3/017 ,  G06F3/167 ,  G06V20/41 ,  G06V40/174 ,  G06V2201/10 ,  G10L2015/088 ,  G10L2015/223 ,  G10L2015/227

Abstract: In one embodiment, a method includes receiving a first user request at a client system to suspend a first task being executed by an assistant system operating on the client system, suspending the execution of the first task responsive to the first user request, receiving a second user request at the client system, determining that the second user request is a request to resume the suspended first task based on user interactions with the assistant system with respect to one or more entities associated with the first task, and presenting a prompt to resume the first task at the client system.

公开(公告)号：US11727677B2

公开(公告)日：2023-08-15

申请号：US17566308

申请日：2021-12-30

Applicant: Meta Platforms Technologies, LLC

Inventor： Xiaohu Liu ,  Paul Anthony Crook ,  Francislav P Penov ,  Rajen Subba

IPC: G06V10/82 ,  G06F9/451 ,  G10L15/18 ,  G10L15/183 ,  G10L15/22 ,  G06F16/338 ,  G06F16/332 ,  G06F16/33 ,  G06N20/00 ,  G06F16/9535 ,  G06Q50/00 ,  H04L67/306 ,  G06F16/176 ,  G10L15/06 ,  G10L15/16 ,  G06F3/01 ,  G06F16/9032 ,  G06F16/2457 ,  H04L51/02 ,  G06F3/16 ,  G06N3/08 ,  G10L15/26 ,  G06F16/9038 ,  G06F16/904 ,  G06F40/30 ,  G06F40/40 ,  G06F16/22 ,  G06F16/23 ,  G06F7/14 ,  H04L43/0882 ,  H04L43/0894 ,  H04L12/28 ,  H04L41/00 ,  H04L41/22 ,  H04W12/08 ,  G10L15/07 ,  G10L17/22 ,  G06N3/006 ,  G10L17/06 ,  G06F16/248 ,  G06F16/951 ,  G06F16/242 ,  G06F16/2455 ,  G10L15/02 ,  G10L15/187 ,  G06V20/10 ,  G06V40/20 ,  G06F40/295 ,  H04L51/52 ,  H04L51/216 ,  H04L67/50 ,  H04L67/5651 ,  H04L51/18 ,  H04L67/75 ,  G06F16/903 ,  G06F40/205 ,  G06F18/2411 ,  G06N7/01 ,  G06V10/764 ,  H04L67/10 ,  H04L51/046 ,  G10L13/00 ,  G10L13/04 ,  H04L67/53

CPC classification number: G06V10/82 ,  G06F3/011 ,  G06F3/013 ,  G06F3/017 ,  G06F3/167 ,  G06F7/14 ,  G06F9/453 ,  G06F16/176 ,  G06F16/2255 ,  G06F16/2365 ,  G06F16/243 ,  G06F16/248 ,  G06F16/24552 ,  G06F16/24575 ,  G06F16/24578 ,  G06F16/338 ,  G06F16/3323 ,  G06F16/3329 ,  G06F16/3344 ,  G06F16/904 ,  G06F16/9038 ,  G06F16/90332 ,  G06F16/90335 ,  G06F16/951 ,  G06F16/9535 ,  G06F18/2411 ,  G06F40/205 ,  G06F40/295 ,  G06F40/30 ,  G06F40/40 ,  G06N3/006 ,  G06N3/08 ,  G06N7/01 ,  G06N20/00 ,  G06Q50/01 ,  G06V10/764 ,  G06V20/10 ,  G06V40/28 ,  G10L15/02 ,  G10L15/063 ,  G10L15/07 ,  G10L15/16 ,  G10L15/183 ,  G10L15/187 ,  G10L15/1815 ,  G10L15/1822 ,  G10L15/22 ,  G10L15/26 ,  G10L17/06 ,  G10L17/22 ,  H04L12/2816 ,  H04L41/20 ,  H04L41/22 ,  H04L43/0882 ,  H04L43/0894 ,  H04L51/02 ,  H04L51/18 ,  H04L51/216 ,  H04L51/52 ,  H04L67/306 ,  H04L67/535 ,  H04L67/5651 ,  H04L67/75 ,  H04W12/08 ,  G06F2216/13 ,  G10L13/00 ,  G10L13/04 ,  G10L2015/223 ,  G10L2015/225 ,  H04L51/046 ,  H04L67/10 ,  H04L67/53

Abstract: In one embodiment, a method includes receiving a user request from a first user from a client system associated with a first user, wherein the user request comprise a gesture-input from the first user and a speech-input from the first user, determining an intent corresponding to the user request based on the gesture-input by a personalized gesture-classification model associated with the first user, executing one or more tasks based on the determined intent and the speech-input, and sending instructions for presenting execution results of the one or more tasks to the client system responsive the user request.

公开(公告)号：US11657094B2

公开(公告)日：2023-05-23

申请号：US16552559

申请日：2019-08-27

Applicant: Meta Platforms Technologies, LLC

Inventor： Seungwhan Moon ,  Pararth Paresh Shah ,  Anuj Kumar ,  Rajen Subba

IPC: G06N3/04 ,  G06F16/9032 ,  G06N3/049 ,  G06F16/9035 ,  G06N20/00 ,  G06N3/084 ,  G06N5/022 ,  G06N3/042 ,  G06N3/044

CPC classification number: G06F16/90332 ,  G06F16/9035 ,  G06N3/042 ,  G06N3/044 ,  G06N3/049 ,  G06N3/084 ,  G06N5/022 ,  G06N20/00

Abstract: In one embodiment, a method includes receiving a query from a user from a client system associated with the user, determining one or more initial memory slots based on the query, accessing a memory graph associated with the user which comprises a plurality of nodes and a plurality of edges connecting the nodes, and wherein one or more of the nodes correspond to one or more episodic memories of the user, respectively, and wherein each edge corresponds to a relationship between the connected nodes, selecting one or more candidate nodes from the memory graph by one or more machine-learning models based on the initial memory slots, generating a response based on the initial memory slots and episodic memories corresponding to the selected candidate nodes, and sending instructions for presenting the response to the client system in response to the query.

公开(公告)号：US20230099773A1

公开(公告)日：2023-03-30

申请号：US18061910

申请日：2022-12-05

Applicant: Meta Platforms Technologies, LLC

Inventor： Xiaohu Liu ,  Zhiguang Wang ,  Rajen Subba

IPC: G06F40/30 ,  G06F9/451 ,  H04N7/14 ,  G06N20/00 ,  G06F16/332 ,  G06F16/9536 ,  G06F40/253 ,  G06F40/35 ,  G06F40/205 ,  G06F40/242 ,  G06F16/9032 ,  G06V40/16 ,  G06V20/20 ,  G06V20/40 ,  G06V20/30 ,  G06V10/20 ,  H04L51/52 ,  H04L51/212 ,  H04L67/75 ,  G06F3/01 ,  G06F9/48 ,  G06F9/54 ,  G06K9/62 ,  G06N3/04 ,  G06N3/08 ,  G06Q50/00 ,  G10L15/06 ,  G10L15/08 ,  G10L15/16 ,  G10L15/18 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  H04L67/306

Abstract: In one embodiment, a method includes receiving a first user request at a client system to suspend a first task being executed by an assistant system operating on the client system, suspending the execution of the first task responsive to the first user request, receiving a second user request at the client system, determining that the second user request is a request to resume the suspended first task based on user interactions with the assistant system with respect to one or more entities associated with the first task, and presenting a prompt to resume the first task at the client system.

公开(公告)号：US11531820B2

公开(公告)日：2022-12-20

申请号：US16742668

申请日：2020-01-14

Applicant: Meta Platforms Technologies, LLC

Inventor： Xiaohu Liu ,  Zhiguang Wang ,  Rajen Subba

IPC: G06F40/30 ,  G06F9/54 ,  G06F40/205 ,  G06F40/242 ,  G06N3/04 ,  G06F16/9536 ,  G10L15/18 ,  G10L15/22 ,  G10L15/30 ,  G10L15/32 ,  G06F40/253 ,  G06N20/00 ,  G06F3/01 ,  G06F16/9032 ,  G06F9/48 ,  G10L15/08 ,  H04N7/14 ,  H04L67/306 ,  G06V10/20 ,  G06V20/20 ,  G06V20/30 ,  G06V20/40 ,  G06V40/16 ,  G06Q50/00 ,  H04L51/52 ,  H04L51/212 ,  H04L67/75 ,  G06F9/451 ,  G06F16/332 ,  G06F40/35 ,  G06K9/62 ,  G06F3/16 ,  G06N3/08

Abstract: In one embodiment, a method includes receiving a first user request to execute a first task comprising one or more sub-tasks from a client system associated with a user, receiving a second user request to suspend the first task from the client system, storing a dialog state for the first task in response to the second user request, wherein the dialog state comprises results of executed sub-tasks and a status indicating the first task is suspended, receiving a third user request to resume the first task, accessing the dialog state for the first task, and providing a prompt to resume the first task at the client system.