Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for allocating computing resources. In one aspect, a method includes receiving intent data specifying one or more computing services to be hosted by a computing network, requested characteristics of computing resources for use in hosting the computing service, and a priority value for each requested characteristic. A budget constraint is identified for each computing service. Available resources data is identified that specifies a set of available computing resources. A resource allocation problem for allocating computing resources for the one or more computing resources is generated based on the intent data, each budget constraint, and the available resources data. At least a portion of the set of computing resources is allocated for the one or more computing services based on results of evaluating the resource allocation problem to meet a particular resource allocation objective.

Abstract: A wearable breath analysis device is disclosed that may be worn, for example, around the neck or wrist of a user. The wearable device may be a stand-alone device (in which case it may include a display that provides a user interface), or may operate in conjunction with a smartphone or other mobile device. The wearable device may provide auditory and/or vibratory notifications or messages, such as a reminder to conduct a breath analyte measurement, instructions for conducting the measurement, and/or notifications of breath analyte measurement results.

Abstract: Various systems, devices, components, and methods are disclosed for measuring the concentration of an analyte, such as acetone, in a breath sample. The disclosed devices include a breath sample analysis device having a mouthpiece configured to facilitate engagement with a user's mouth to receive a breath sample. The disclosed devices also include a breath sample capture cartridge containing an interactant that extracts the analyte from a breath sample passed through the cartridge. Also disclosed are devices for routing the breath sample through the cartridge during exhalation, and for analyzing a reaction in the cartridge to measure a concentration of the analyte.

Abstract: A wearable breath analysis device is disclosed that may be worn, for example, around the neck or wrist of a user. The wearable device may be a stand-along device (in which case it may include a display that provides a user interface), or may operate in conjunction with a smartphone or other command device. The wearable device may include auditory and/or vibratory notice and communications features or capabilities, for example, such as a reminder or notice to conduct a breath analyte measurement, instructions to the user in the course of conducting the measurement, and notice of the breath analyte measurement results. The auditory or vibratory notice may be provided at the wearable, and/or at the command device where a command device is used. Related methods also are provided.

Abstract: A pump-less breath analysis device regulates the flow of breath past an analyte sensor, which may be a semiconductor sensor, by dynamically adjusting the state or position of a valve as the user exhales into the device. The valve controls the flow of incoming breath between two flow paths: a venting path through which breath exits the device without passing by the sensor, and a sensing path that includes the sensor. In some embodiments, the valve is controlled by a processor that monitors pressure produced by the user's exhalation force. Based on these real-time pressure measurements, the processor adjusts the valve to maintain the pressure, and thus the flow rate, in the sensing path within a desired range. The processor may also use the pressure measurements to determine whether the characteristics of the user's exhalation are sufficient to generate a valid measurement.

Abstract: Various systems, devices, components, and methods are disclosed for measuring the concentration of an analyte, such as acetone, in a breath sample. The disclosed devices include a breath sample analysis device having a mouthpiece configured to facilitate engagement with a user's mouth to receive a breath sample. The disclosed devices also include a breath sample capture cartridge containing an interactant that extracts the analyte from a breath sample passed through the cartridge. Also disclosed are devices for routing the breath sample through the cartridge during exhalation, and for analyzing a reaction in the cartridge to measure a concentration of the analyte.

Abstract: Various systems, devices, components, and methods are disclosed for measuring the concentration of an analyte, such as acetone, in a breath sample. The disclosed devices include a breath sample analysis device having a mouthpiece configured to facilitate engagement with a user's mouth to receive a breath sample. The disclosed devices also include a breath sample capture cartridge containing an interactant that extracts the analyte from a breath sample passed through the cartridge. Also disclosed are devices for routing the breath sample through the cartridge during exhalation, and for analyzing a reaction in the cartridge to measure a concentration of the analyte.

Abstract: A pump-less breath analysis device regulates the flow of breath past a nanoparticle sensor (or other semiconductor sensor) by dynamically adjusting the state or position of a valve as the user exhales into the device. The valve controls the flow of incoming breath between two flow paths: a venting path through which breath exits the device without passing by the nanoparticle sensor, and a sensing path that includes the nanoparticle sensor. In some embodiments, the valve is controlled by a processor that monitors pressure produced by the user's exhalation force. Based on these real-time pressure measurements, the processor adjusts the valve to maintain the pressure, and thus the flow rate, in the sensing path within a desired range. The processor may also use the pressure measurements to determine whether the characteristics of the user's exhalation are sufficient to generate a valid measurement.

Abstract: Method and systems for controlling data remotely that includes connecting to a remote device within a fabric of smart devices. The remote device stores data locally. Controlling the data includes remotely controlling the data stored in the remote device from another device connected to the fabric by transmitting a message to the remote device. Moreover, the transmitted message includes a profile identifier that causes a data management entity of the remote device to perform an indicated data management action. Furthermore, the profile identifier identifies a data management profile, and the message includes a command tag that indicates the data management action to be performed.

Abstract: Systems and methods are provided for efficient communication through a fabric network of devices in a home environment or similar environment. For example, an electronic device may efficiently control communication to balance power and reliability concerns, may efficiently communicate messages to certain preferred networks by analyzing Internet Protocol version 6 (IPv6) packet headers that use an Extended Unique Local Address (EULA), may efficiently communicate software updates and status reports throughout a fabric network, and/or may easily and efficiently join a fabric network.

Abstract: Various devices are disclosed for measuring the concentration of an analyte, such as acetone, in a breath sample. The disclosed devices include a disposable cartridge containing a reactive material that extracts the analyte from a breath sample passed through the cartridge. In some embodiments, the cartridge contains a solid, porous structure (such as a disk, bowl or puck) that contains the reactive material. The porous structure may be created by mixing reactive particles with resin particles, and then using a sintering process to transform the mixture into a solid structure. Also disclosed are devices for routing a breath sample through the cartridge during exhalation, and for analyzing a reaction in the cartridge to measure a concentration of the analyte.

Abstract: Systems and methods relating to communication within a fabric network are presented. The fabric network includes one or more logical networks that enables devices connected to the fabric to communicate with each other using various profiles known to the devices. A device sending a message may follow a general message format to encode the message so that other devices in the fabric may understand the message regardless of which logical networks the devices are connected to. Within the message format, a payload of data may be included for the receiving device to forward, store, or process the message. The format and the contents of the payload may vary according to a header within the payload that indicates a profile and a message type within the profile. Using the profile and message type, the receiving devices may decode the message to process the message.

Abstract: Various devices are disclosed for measuring the concentration of an analyte, such as acetone, in a breath sample. The disclosed devices include a disposable cartridge containing a reactive material that extracts the analyte from a breath sample passed through the cartridge. In some embodiments, the cartridge contains a solid, porous structure (such as a disk, bowl or puck) that contains the reactive material. To induce a chemical reaction for measuring the quantity of the extracted analyte, the porous structure may be brought into contact with a sponge or pad that dispenses developer solution to the porous structure. Also disclosed are devices for routing a breath sample through the cartridge during exhalation, and for analyzing a reaction in the cartridge to measure a concentration of the analyte.

Abstract: Various systems and devices are disclosed for measuring an analyte, such as acetone, in a breath sample of a human subject. In some embodiments, a system is provided that includes a displosable cartridge having a reaction chamber containing an interactant, such as interactant particles. The interactant reacts with an analyte in a breath sample that is passed along a flow path through the reaction chamber. An optical subsystem measures a color change resulting from a reaction in the reaction chamber; this color change is indicative of a concentration of the analyte in the breath sample. In some embodiments, the optical subsystem illuminates the cartridge using multiple LEDs of different colors or wavelengths.

Abstract: A wearable breath analysis device is disclosed that may be worn, for example, around the neck or wrist of a user. The wearable device may be a stand-along device (in which case it may include a display that provides a user interface), or may operate in conjunction with a smartphone or other command device. The wearable device may include auditory and/or vibratory notice and communications features or capabilities, for example, such as a reminder or notice to conduct a breath analyte measurement, instructions to the user in the course of conducting the measurement, and notice of the breath analyte measurement results. The auditory or vibratory notice may be provided at the wearable, and/or at the command device where a command device is used. Related methods also are provided.

Abstract: Systems and methods are provided for efficient communication through a fabric network of devices in a home environment or similar environment. For example, an electronic device may efficiently control communication to balance power and reliability concerns, may efficiently communicate messages to certain preferred networks by analyzing Internet Protocol version 6 (IPv6) packet headers that use an Extended Unique Local Address (EULA), may efficiently communicate software updates and status reports throughout a fabric network, and/or may easily and efficiently join a fabric network.

Abstract: Systems and methods are provided for efficient communication through a fabric network of devices in a home environment or similar environment. For example, an electronic device may efficiently control communication to balance power and reliability concerns, may efficiently communicate messages to certain preferred networks by analyzing Internet Protocol version 6 (IPv6) packet headers that use an Extended Unique Local Address (EULA), may efficiently communicate software updates and status reports throughout a fabric network, and/or may easily and efficiently join a fabric network.

Abstract: Method and systems for controlling data remotely that includes connecting to a remote device within a fabric of smart devices. The remote device stores data locally. Controlling the data includes remotely controlling the data stored in the remote device from another device connected to the fabric by transmitting a message to the remote device. Moreover, the transmitted message includes a profile identifier that causes a data management entity of the remote device to perform an indicated data management action. Furthermore, the profile identifier identifies a data management profile, and the message includes a command tag that indicates the data management action to be performed.

Abstract: Method and systems for controlling data remotely that includes connecting to a remote device within a fabric of smart devices. The remote device stores data locally. Controlling the data includes remotely controlling the data stored in the remote device from another device connected to the fabric by transmitting a message to the remote device. Moreover, the transmitted message includes a profile identifier that causes a data management entity of the remote device to perform an indicated data management action. Furthermore, the profile identifier identifies a data management profile, and the message includes a command tag that indicates the data management action to be performed.

Abstract: Systems and methods relating to communication within a fabric network are presented. The fabric network includes one or more logical networks that enables devices connected to the fabric to communicate with each other using various profiles known to the devices. A device sending a message may follow a general message format to encode the message so that other devices in the fabric may understand the message regardless of which logical networks the devices are connected to. Within the message format, a payload of data may be included for the receiving device to forward, store, or process the message. The format and the contents of the payload may vary according to a header within the payload that indicates a profile and a message type within the profile. Using the profile and message type, the receiving devices may decode the message to process the message.