EP3963835A1 - System zur bereitstellung und verarbeitung von sensordaten - Google Patents
System zur bereitstellung und verarbeitung von sensordatenInfo
- Publication number
- EP3963835A1 EP3963835A1 EP20723108.5A EP20723108A EP3963835A1 EP 3963835 A1 EP3963835 A1 EP 3963835A1 EP 20723108 A EP20723108 A EP 20723108A EP 3963835 A1 EP3963835 A1 EP 3963835A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- unit
- message
- data
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2834—Switching of information between an external network and a home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2823—Reporting information sensed by appliance or service execution status of appliance services in a home automation network
- H04L12/2825—Reporting to a device located outside the home and the home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/284—Home automation networks characterised by the type of medium used
- H04L2012/2841—Wireless
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/2847—Home automation networks characterised by the type of home appliance used
- H04L2012/285—Generic home appliances, e.g. refrigerators
Definitions
- the invention relates to a system for providing and processing sensor data that are recorded by a sensor unit.
- Sensor units can be used at different locations in a household to collect sensor data relating to the household.
- different sensor units can be installed in or on different storage containers in order to record sensor data relating to the filling level in the different storage containers.
- one or more of the sensors can be used at different locations in a household to collect sensor data relating to the household.
- different sensor units can be installed in or on different storage containers in order to record sensor data relating to the filling level in the different storage containers.
- the different sensor units can have at least partially different (possibly proprietary) data interfaces for the transmission of data.
- the data interfaces of the different sensor units can differ with regard to the semantics of the transmitted data messages. Furthermore, for reasons of cost, the sensor units typically have relatively limited communication capabilities.
- a system for providing and / or processing sensor data is described.
- the system can especially be used for
- the system comprises at least one sensor unit that is set up to acquire sensor data. Furthermore, the sensor unit is set up to send the sensor data in a sensor message.
- the sensor message can be sent using a specific communication method and / or communication protocol. Exemplary communication methods or communication protocols are: Bluetooth Low Energy (BLE), ZigBee, ANT, ANT +, z-wave, and / or Enocean.
- BLE Bluetooth Low Energy
- ZigBee ZigBee
- ANT ANT +
- z-wave / or Enocean.
- the communication method and / or communication protocol used by the sensor unit, with which the sensor message is sent can be limited to a range of 20 meters or less or of 10 meters or less.
- the sensor unit is set up to send the sensor message (with the sensor data) without the presence of a communication link with a (in particular with any) potential recipient.
- the sensor message can also be sent by the sensor unit when there is no static communication link between the sensor unit and any potential recipient.
- the sensor message can also be sent by the sensor unit when the sensor unit is not coupled to any potential recipient in terms of communication technology.
- the sensor message can be broadcast. The sensor message typically does not show the data address of a potential recipient of the sensor message.
- the system further comprises at least one intermediate unit (as a potential recipient).
- the intermediate unit is preferably part of a domestic appliance (for example a refrigerator, a stove, an oven, a hob, a washing machine, a dishwasher, a dryer, etc.).
- the intermediate unit can be set up to receive the sensor message.
- the intermediate unit can be set up to repeatedly or continuously check via a communication interface or by means of a communication module of the intermediate unit whether a sensor unit in the vicinity of the intermediate unit has sent a sensor message.
- the intermediate unit can comprise a communication module (possibly in the form of a separate adapter) that is set up to receive sensor messages that have been sent according to at least one communication method and / or communication protocol used by the sensor unit.
- the intermediate unit can be set up to send an intermediate message based on the received sensor message, which includes the sensor data from the sensor message or data derived therefrom, via a (possibly wireless) communication link to a central unit (e.g. to a backend -Server) to send.
- the communication link can include, for example, a LAN, a WLAN and / or a 3G, 4G or 5G communication link.
- the intermediate unit can have a communication module which is designed to send intermediate messages to the central unit.
- the intermediate message can display or include an address of the central unit.
- the system further comprises the central unit which is set up to receive the intermediate message.
- the central unit can be designed to evaluate the intermediate message, in particular the data contained therein.
- the central unit can be set up to initiate a measure on the basis of the sensor data or the data derived therefrom from the intermediate message.
- the central unit can be set up as a measure to cause the intermediate unit (from which the intermediate message was received) to effect an output (with regard to the sensor data) to a user of the intermediate unit.
- a domestic appliance belonging to a user of the sensor unit (which sent the original sensor message) can be prompted to produce an output (with regard to the sensor data).
- the sensor data can include information relating to the filling level of a container. This information can optionally be output as output on a domestic appliance and / or on the intermediate unit and / or on an electronic device of a user.
- the system enables efficient and reliable use of sensor units in a household.
- the one or more intermediate units (in particular household appliances) of a household can be used to forward sensor data from the sensor units to a central unit in a reliable and efficient manner.
- the central unit can then automatically provide services (such as the automatic ordering of food and / or spare parts).
- the intermediate unit can be configured to add metadata relating to the intermediate unit to the intermediate message.
- the metadata can be an identifier, for example for the intermediate unit.
- the central unit can be set up to evaluate the metadata of an intermediate message, for example in order to determine a user and / or a user account for the intermediate unit.
- the system preferably has a plurality of intermediate units which are each set up to receive the sensor message from a sensor unit and to send an intermediate message to the central unit via a respective communication link based on the received sensor message.
- the intermediate units can e.g. can be provided by different household appliances in one or more (possibly neighboring) households.
- the use of several intermediate units, each of which forwards a sensor message as an intermediate message, increases the reliability of the transmission of the sensor data from a sensor unit to the central unit.
- the central unit can be set up to receive the intermediate messages from the different intermediate units. Furthermore, the central unit can be set up to identify intermediate messages that are based on the same sensor message. For this purpose, a sensor identifier of the sensor unit can be evaluated, which is contained in the various intermediate messages. Furthermore, cryptographic data and / or a counter value of the originally sent sensor message (which were also transmitted in the respective intermediate messages) can be evaluated. In this way it can be reliably effected that a measure is initiated only on the basis of the sensor data or the data derived therefrom of a (single) intermediate message, the intermediate messages based on the same sensor message. Reliable operation of the system can thus be made possible even when the same sensor message is transmitted multiple times in different intermediate messages.
- the sensor unit and the intermediate unit can each be assigned to a user and / or a user account. Possibly. the central unit can be set up to access a database which includes an assignment of different sensor units to different users and / or user accounts and / or which includes an assignment of different intermediate units to different users and / or user accounts.
- the user and / or the user account of the sensor unit and the intermediate unit can be different.
- the intermediate unit of a user can be set up to forward a sensor message from the sensor unit of another user to the central unit.
- an intermediate unit of a neighboring household can be used to forward a sensor message from a household. The reliability of the transmission of sensor data from a sensor unit can thus be further increased.
- the sensor message can comprise a sensor identifier (or a sensor ID) for the sensor unit that sent the sensor message.
- An intermediate unit can be set up to include the sensor identifier in the intermediate message.
- the central unit can be set up to determine a user and / or a user account for the sensor unit on the basis of the sensor identifier.
- the central unit can be set up to initiate a measure (e.g. a measure dependent on the identified user) as a function of the sensor identifier. In this way, user-specific services can be provided in an efficient manner by the system described.
- the sensor message can include cryptographic data.
- exemplary cryptographic data are the value of a hash chain and / or the counter value for a level of the hash chain.
- the cryptographic data can e.g. an authentication of the sensor message and / or an encryption of the data of the sensor message can be effected.
- the cryptographic data can be used to display a sequence of the sensor messages from a sensor unit (in particular using the counter value of a hash chain).
- the intermediate unit can be set up to include the cryptographic data in the intermediate message.
- the central unit can be set up to authenticate the sensor unit on the basis of the cryptographic data and / or to decrypt the intermediate message on the basis of the cryptographic data.
- the cryptographic data of an intermediate message can be used to reliably duplicate a sensor message that has been sent via to identify different intermediate units. The use of cryptographic data can further increase the reliability of the transmission of sensor data to a central unit.
- the sensor unit typically comprises at least one communication unit which is set up to send the sensor message with the sensor data.
- the sensor unit can comprise a memory unit which is set up to store cryptographic data for sending and / or for encrypting the sensor message.
- the sensor unit can include an energy store which is set up to store electrical energy for operating the sensor unit. A sensor unit that can be used flexibly and independently can thus be provided.
- the sensor unit can e.g. be designed for a lid for covering a container. As an alternative or in addition, the sensor unit can optionally be part of a lid for covering a container.
- the container can be used to store a substance (e.g. food or washing powder).
- a sensor unit can thus be provided which can be used for a substance management system in a household.
- the sensor unit can comprise at least one content sensor which is set up to record sensor data relating to the substance in the container.
- the content sensor can in particular comprise a distance sensor which is set up to record sensor data relating to the distance between the distance sensor and the surface of the substance in the container.
- the central unit can be set up to determine the fill level of the substance in the container on the basis of the sensor data. Alternatively or in addition, the central unit can be set up as a measure to initiate a reorder of the substance stored in the container and / or to send information relating to the substance stored in the container to an electronic device (e.g. a smartphone) of a user of the system send.
- an electronic device e.g. a smartphone
- the comfort for a user of the system can thus be increased further.
- FIG. 1a shows an exemplary sensor unit for a container
- FIG. 1b shows an exemplary system for providing and / or processing sensor data.
- FIG. 1 a shows an exemplary sensor unit 110 designed as a lid, the lid being set up to cover a receptacle (i.e. a container) 120.
- the lid can have a thread 113 with which the lid can be screwed into a corresponding thread (not shown) of the container 120 in order to close the container 120 with the thread 113.
- a substance 121 (in particular a liquid or powdery substance) can be located in the container 120.
- the amount of substance 121 that is in the container 120 can e.g. are indicated by the level 122 of the substance 121 in the container 120.
- Exemplary substances 121 are (edible) powders or liquids and / or washing powders or washing liquids.
- the sensor unit 110 comprises at least one content sensor 114, which is set up to detect sensor data relating to the content, in particular relating to the substance 121, in a container 120.
- the content sensor 114 can in particular comprise a distance sensor which is set up to measure the distance 124 between the position 123 of the content sensor 114 (in the screwed-in state) and the level 112 of the substance 121 contained in the container 120.
- the (substance) sensor data of the at least one content sensor 114 can be processed by a control unit 111 of the sensor unit 110 (for example in order to determine the fill level 122 on the basis of the substance sensor data).
- the sensor data and / or data derived therefrom can be sent via a communication unit 117 of the sensor unit 110 (in a sensor message).
- the communication unit 117 can be set up to send the data via a wireless (for example Bluetooth and / or Zigbee) communication method.
- the sensor unit 110 can have a memory unit 116 for storing data and / or an (possibly rechargeable) electrical energy store or battery 115 for supplying electrical energy to the components 111, 112, 114, 116, 117, 118 of the sensor unit 110.
- the sensor unit 110 can furthermore have a closure sensor 112 which is set up to detect whether the lid closes a container 120 or not.
- the closure sensor 112 can be set up to detect whether the cover (possibly completely) has been screwed onto a container 120 or not.
- the locking sensor 112 may e.g. comprise a button which is actuated mechanically by a wall of the container 120 when the lid is applied to the container 120.
- Fig. 1a shows a cover with an integrated sensor unit 110.
- a separate sensor unit 110 can be provided if necessary, e.g. can be attached to the lid of a container 120.
- the system 100 comprises one or more sensor units 110, which are each set up to acquire sensor data.
- the sensor data of a sensor unit 110 can be sent as a sensor message 141.
- Communication methods such as Bluethooth (especially Bluetooth Low Energy, BLE), ZigBee, Z-Wave, ANT / ANT +, Enocean or a proprietary communication method can be used.
- the system 100 further comprises one or more receiving or intermediate units 140 which are set up to receive a sensor message sent by a sensor unit 110 141 to receive.
- the one or more intermediate units 140 can be set up to communicate with a central unit 101 (eg with a server) via a (wireless) communication network 102, in particular in order to provide data relating to a received sensor message 141 (eg in the form of an intermediate message 142).
- the central unit 101 can be set up to exchange data with one or more personal electronic devices 130 (e.g. a smartphone, a tablet PC, a laptop PC, etc.) of a user of the system 100 via a (wireless) communication network 102.
- data relating to the sensor data of the one or more sensor units 110 of the system 100 can be provided to a user on the device 130.
- the central unit 101 can have access to a database 103 in order to process the sensor data provided by a sensor unit 110.
- the database 103 can e.g. Information relating to the capacity of the one or more containers 120 and / or information relating to the density of different substances 121 and / or information relating to users or user accounts of the different sensor units 110 and / or intermediate units 140.
- the system 100 described in this document is used in particular to acquire and process decentrally acquired sensor measured values.
- the system 100 comprises at least one sensor unit 110, which has a communication module 117 (preferably for wireless communication).
- the sensor units 110 are also referred to in this document as transmitters which, in response to certain events, transmit a measured value (i.e. sensor data) by at least one measurement of a measured variable with a suitable transducer, e.g. an optical transducer, and send the measured value without confirmation of a communication connection by means of the communication module 117 of the respective sensor unit 110.
- the one or more sensor units 110 or transmitters can e.g. be mounted on one or more storage containers 120.
- the system 100 further comprises one or more intermediate units 140, which are also referred to in this document as system master (SMM).
- An intermediate unit or an SMM 140 can, for example, be part of a domestic appliance (for example an oven, a range, a ok
- Different intermediate units or SMMs 140 can thus be arranged at different points in a household.
- An SMM 140 can be set up to carry out one or more different communication methods (for example WLAN, Bluetooth Legacy and / or Bluetooth Low Energy), in particular for the reception of sensor messages 141 from one or more sensor units or transmitters 110 the SMM 140 comprise a receiver component that always waits for sensor messages 141 from one or more transmitters 110 when the power supply to the SMM 140 is switched on. Any other communication technologies and protocols can be provided via a suitable adapter, which can optionally be connected to an SMM 140.
- a suitable adapter which can optionally be connected to an SMM 140.
- an SMM 140 can at least partially be outsourced to a configurable runtime component, the runtime component being located in a central unit 101 (e.g. in a mainframe on the Internet) can be and / or can be executed locally in a suitable computing machine (for example a suitable higher-level SMM 140 of the system 100).
- a central unit 101 e.g. in a mainframe on the Internet
- a suitable computing machine for example a suitable higher-level SMM 140 of the system 100.
- the runtime component and / or the SMM 140 have information in order to determine the sensor type of the sending sensor unit 110 from a received sensor message 141 (in particular from a tuple of sensor ID and sensor measured value) (for example, metadata such as measured value type , Measured variable, date of manufacture, digital signature, etc.). Furthermore, the runtime component and / or the SMM 140 can, if necessary, use the sensor ID to assign the sensor unit 110 to a specific user and / or to a specific household and, if necessary, determine what should happen with the measured value based thereon.
- a received sensor message 141 in particular from a tuple of sensor ID and sensor measured value
- the runtime component and / or the SMM 140 can, if necessary, use the sensor ID to assign the sensor unit 110 to a specific user and / or to a specific household and, if necessary, determine what should happen with the measured value based thereon.
- an SMM 140 can be set up not to process a received sensor message 140, but rather to forward it unchanged via a communication network 102, eg the Internet, to a runtime component specified in the sensor message 141 to a central unit 101.
- a sensor unit 110 is not statically coupled to a receiver station (for example to an intermediate unit 140).
- a sensor unit 110 sends a sensor message 141 with a measured value “if you are lucky”. The measured value is then possibly received by at least one SMM 140 and forwarded.
- a hash chain can be used to encrypt and / or sign a sensor message 141. Possibly.
- the measured values can be encrypted in a sensor message 141.
- the central unit 101 can be set up to determine a user, in particular a user account, of the sending sensor unit 110 in a message 141, 142 on the basis of the sensor ID.
- the central unit 101 can, if necessary, receive intermediate messages 142 from several SMMs 140 which relate to the same sensor message 141 of a sensor unit 110.
- the central unit 101 can be set up to identify duplicate intermediate messages 142 (from different intermediate units 140) and, if necessary, to sort them out.
- the reliability of the data transmission can be increased by the redundant transmission of a sensor message 141 from a sensor unit 110.
- all SMMs or intermediate units 140 can be used for forwarding a sensor message 141 (possibly also SMMs 140 from a neighboring household).
- the central unit 101 can be set up to determine usable information, for example a sensor identifier, a user affiliation and / or the sensor and measured value type, from a relatively large number of incoming intermediate messages 142 of the same type.
- the central unit 101 can be set up to evaluate and / or decode a received intermediate message 142 (e.g. a received Protocol Data Unit (PDU)).
- PDU Protocol Data Unit
- the central unit 101 can be set up to initiate one or more measures as a function of a received intermediate message 142, e.g.
- the central unit 101 can optionally be arranged locally in a local network of a household.
- a sensor unit 110 described in this document can be used to expand a function of an already existing device (e.g. to measure the fill level of a container 120 of a domestic appliance, such as a coffee machine).
- a sensor unit 110 can be set up to sign and / or encrypt a message 141.
- the value of the calculation of a hash chain can be stored in the storage unit 116 of the sensor unit 110.
- a hash chain is a repeated application of a cryptographic hash function to a specific initial vector (IV). The number of possible transmissions is limited by the length of the hash chain.
- the sensor unit 110 can e.g. send the nth hash chain as a signature, and the central unit 101 can use the (n-1) th hash chain value to check whether the signature is correct.
- a message 141 or a sensor unit 110 can thus be authenticated. Possibly.
- the data of a sensor message 141 can also be encrypted. Different sensor units 110 can use different initial vectors in order to enable the sensor units 110 to be uniquely identified. Using a hash chain, a one-time pad (OTP) can thus be provided for data transmission.
- OTP one-time pad
- Each household appliance embodied as an SMM 140 can be used to receive and / or forward the sensor message 141 received by a sensor unit 110 (also from another user and / or from another household). For example, in a laundry room in an apartment building, it may be sufficient that a single domestic appliance is designed as an SMM 140. Sensor units 110 from other users can then also transmit sensor messages 141 to central unit 101 via SMM 140 (for example to measure the filling level in different containers 120 for detergents). The association between a sensor message 141 and the sensor unit 110 can then, if necessary, only take place in the central unit 101. Furthermore, based on the received sensor message 141 or intermediate message 142, a user-specific measure can be initiated.
- An SMM 140 can be configured to filter sensor messages 141, e.g. to prevent a DoS attack (Denial-of-Service) on the central unit 101. For example, an SMM 140 can evaluate the digital signature of a sensor message 141 and discard a sensor message 141 that does not match.
- DoS attack Denial-of-Service
- a sensor message 141 from a sensor unit 110 can be received by a plurality of SMMs 140 and each sent as an intermediate message 142 to the central unit 101.
- Each SMM 140 can have metadata such as Add the serial number and / or the machine type of the sending SMM 140 to the respective intermediate message 142.
- the central unit 101 can evaluate the individual intermediate messages 142. On the basis of the sensor ID, it can be established that a plurality of intermediate messages 142 are one or more sensor messages 141 from the same sensor unit 110. Furthermore, on the basis of the counter value for the hash chain, it can be determined whether it is a current sensor message 141 from sensor unit 110 or an outdated sensor message 141 (or possibly a malicious message). In particular, duplicates of the same sensor message 141 can be identified and sorted out via the counter value. The central unit 101 can also be set up to assign a received intermediate message 142 to a user account on the basis of the sensor ID and on the basis of the lookup table on a database 103.
- measured values from different sensor units 110 can be sent to one in an efficient and reliable manner Central unit 101 are transmitted, for example to automatically initiate measures such as an automatic reorder.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019206395.0A DE102019206395A1 (de) | 2019-05-03 | 2019-05-03 | System zur Bereitstellung und Verarbeitung von Sensordaten |
| PCT/EP2020/061923 WO2020225058A1 (de) | 2019-05-03 | 2020-04-29 | System zur bereitstellung und verarbeitung von sensordaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3963835A1 true EP3963835A1 (de) | 2022-03-09 |
Family
ID=70480291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20723108.5A Withdrawn EP3963835A1 (de) | 2019-05-03 | 2020-04-29 | System zur bereitstellung und verarbeitung von sensordaten |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3963835A1 (de) |
| DE (1) | DE102019206395A1 (de) |
| WO (1) | WO2020225058A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117614799B (zh) * | 2023-12-12 | 2024-06-18 | 中国人民解放军军事科学院系统工程研究院 | 一种基于模型分层映射的传感器协议适配方法及装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130217333A1 (en) * | 2012-02-22 | 2013-08-22 | Qualcomm Incorporated | Determining rewards based on proximity of devices using short-range wireless broadcasts |
| US20160081127A1 (en) * | 2013-04-30 | 2016-03-17 | Radiopulse Inc. | Smart home device and network management system |
| US11171803B2 (en) * | 2014-02-08 | 2021-11-09 | Switchmate Home Llc | Smart home communications architecture |
| US9185167B2 (en) * | 2014-04-01 | 2015-11-10 | Google Inc. | Associating broadcasting device data with user account |
| US9610476B1 (en) * | 2016-05-02 | 2017-04-04 | Bao Tran | Smart sport device |
| US9872155B2 (en) * | 2016-02-18 | 2018-01-16 | Vivint, Inc. | Event triggered messaging |
-
2019
- 2019-05-03 DE DE102019206395.0A patent/DE102019206395A1/de active Pending
-
2020
- 2020-04-29 WO PCT/EP2020/061923 patent/WO2020225058A1/de not_active Ceased
- 2020-04-29 EP EP20723108.5A patent/EP3963835A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020225058A1 (de) | 2020-11-12 |
| DE102019206395A1 (de) | 2020-11-05 |
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