TECHNIQUES TO DETECT PERTURBATION ATTACKS WITH AN ACTOR-CRITIC FRAMEWORK

Embodiments discussed herein may be generally directed to systems and techniques to generate a quality score based on an observation and an action caused by an actor agent during a testing phase. Embodiments also include determining a temporal difference between the quality score and a previous quality score based on a previous observation and a previous action, determining whether the temporal difference exceeds a threshold value, and generating an attack indication in response to determining the temporal difference exceeds the threshold value. 1. An apparatus , comprising:memory to store instructions; and generate a quality score based on an observation and an action, the action performed in a processing environment based on the observation;', 'determine a temporal difference between the quality score and a previous quality score based on a previous observation and a previous action;', 'determine whether the temporal difference exceeds a threshold value;', 'generate an attack indication when the temporal difference exceeds the threshold value; and', 'permit processing of a next observation and a next action when the temporal difference does not exceed the threshold value., 'processing circuitry coupled with the memory, the processing circuitry to2. The apparatus of claim 1 , wherein the attack indication to indicate an occurrence of an attack via an input in the processing environment claim 1 , the attack comprising one or more of a Fast Gradient Sign Method (FGSM) attack and a random attack.3. The apparatus of claim 1 , comprising an actor agent to cause a series of actions including the action and the previous action claim 1 , and a critic agent to determine a sequence of quality scores based on each action of the series of actions and an associated observation for each action.4. The apparatus of claim 3 , the critic agent to determine temporal differences between quality scores of consecutive actions of the series of actions and the associated observations.5. ...

Method for preparing radioactive-substance adsorbent depositing on a carriable structure

A method for preparing radioactive-substance adsorbent depositing on a carriable structure is revealed. The method uses a supercritical fluid to mix a first solution with a carrier. The first solution includes an extractant dissolved in a first solvent. By low surface tension and high permeability of the supercritical fluid, the extractant in the first solution deposit evenly on the carrier so as to form an adsorbent. Thus the adsorbent formed provides better adsorptivity for the radioactive substances.

NITROGEN GAS SENSOR AND ITS MANUFACTURING METHOD

A nitrogenous gas sensor comprises a piezoelectricity plate which has a sensing surface; two transducers placed on the sensing surface of the piezoelectricity plate for transduction of electrostatic potential energy and acoustic energy, in order to generate surface acoustic waves on the piezoelectricity plate; and a sensing layer installed on the sensing surface of the piezoelectricity plate between the two transducers, which is consisted of polyaniline and tungsten oxide. Furthermore, a manufacturing method of the nitrogenous gas sensor comprises a step of “manufacturing transducer,” by placing two transducers on the sensing surface of the piezoelectric plate; and a step of “manufacturing sensing layer,” by mixing a solution of polyaniline and a solution of tungsten oxide to obtain a mixture of polyaniline and tungsten oxide, and further generating a sensing layer consisted of nano-scaled of complex polyaniline and tungsten oxide between the two transducer by dropping the mixture of polyaniline and tungsten oxide on the sensing surface of the piezoelectric plate. 1. A nitrogenous gas sensor , comprising:a piezoelectricity plate which has a sensing surface;two transducers placed on the sensing surface of the piezoelectricity plate for transduction of electrostatic potential energy and acoustic energy to generate surface acoustic waves on the piezoelectricity plate; anda sensing layer installed on the sensing surface of the piezoelectricity plate between the two transducers, containing a complex materials of polyaniline and tungsten oxide.2. The nitrogenous gas sensor as defined in claim 1 , wherein the polyaniline reveals a multi-porous structure in the sensing layer claim 1 , with the tungsten oxide stuffed into pores.3. The nitrogenous gas sensor as defined in claim 1 , wherein the volume ratio between the polyaniline and the tungsten oxide is 0.5˜3.4. The nitrogenous gas sensor as defined in claim 1 , wherein the nitrogenous gas sensor further comprises two ...

Methods and apparatus for federated training of a neural network using trusted edge devices

Methods, apparatus, systems and articles of manufacture for federated training of a neural network using trusted edge devices are disclosed. An example system includes an aggregator device to aggregate model updates provided by one or more edge devices. The one or more edge devices to implement respective neural networks, and provide the model updates to the aggregator device. At least one of the edge devices to implement the neural network within a trusted execution environment.

TECHNIQUES TO DETECT PERTURBATION ATTACKS WITH AN ACTOR-CRITIC FRAMEWORK

Embodiments discussed herein may be generally directed to systems and techniques to generate a quality score based on an observation and an action caused by an actor agent during a testing phase. Embodiments also include determining a temporal difference between the quality score and a previous quality score based on a previous observation and a previous action, determining whether the temporal difference exceeds a threshold value, and generating an attack indication in response to determining the temporal difference exceeds the threshold value. 1. An apparatus , comprising:memory to store instructions; andprocessing circuitry coupled with the memory:an actor agent, executable by the processing circuitry, to cause an action in a processing environment based on an observation during a testing phase; 'generate a quality score based on the observation and the action caused by the actor agent during the testing phase; and', 'a critic agent, executable by the processing circuitry, to determine a temporal difference between the quality score and a previous quality score based on a previous observation and a previous action,', 'determine whether the temporal difference exceeds a threshold value,', 'generate an attack indication in response to determining the temporal difference exceeds the threshold value, and', 'permit processing of a next observation and a next action in response to determining the temporal difference does not exceed the threshold value., 'a temporal difference detector, executable by the processing circuitry, to2. The apparatus of claim 1 , wherein the attack indication to indicate an occurrence of an attack via an input in the processing environment claim 1 , the attack comprising one or more of a Fast Gradient Sign Method (FGSM) attack and a random attack.3. The apparatus of claim 1 , the actor agent to cause a series of actions including the action and the previous action claim 1 , and the critic agent to determine a sequence of quality scores based ...

Techniques to detect perturbation attacks with an actor-critic framework

Embodiments discussed herein may be generally directed to systems and techniques to generate a quality score based on an observation and an action caused by an actor agent during a testing phase. Embodiments also include determining a temporal difference between the quality score and a previous quality score based on a previous observation and a previous action, determining whether the temporal difference exceeds a threshold value, and generating an attack indication in response to determining the temporal difference exceeds the threshold value.

HYBRIDOMA CELL LINE FOR PRODUCING ANTIBODY FOR TYPE II COLLAGEN

The present invention provides a hybridoma cell line (DSM ACC3145), wherein the hybridoma cell line produces an antibody which specifically binds to an amino acid sequence of type II collagen comprising: K-G-E-P-G-D-D-G-P-S-C (as set forth in SEQ ID NO. 1); and a method for detecting osteoarthritis, by identifying a presence of type II collagen in a urine sample through containing the urine sample with the said antibody.

Iridium-doped carbon nanotube and electrode and sensor containing the same

An iridium-doped carbon nanotube has an atomic ratio of iridium to carbon on a surface thereof ranging from 1×10 −4 to 3.5×10 −4 as measured by X-ray photoelectron spectroscopy. A working electrode including the aforesaid iridium-doped carbon nanotube and a sensor including the working electrode are also disclosed in the present invention.

Photoluminescent organic material

A compound of formula (I) is disclosed: wherein definitions of R 1 , R 2 , and R 3 are the same as those defined in the specification. The compound of formula (I) can emit light via an intramolecular interaction of an imino group and an electron-donatable moiety contained in the compound. A photoluminescent organic composition is also disclosed, which includes a compound represented by formula (II) in the presence of an electron-donatable compound, wherein definitions of R 4 , R 5 , and R 6 are the same as those defined in the specification. The photoluminescent organic composition can emit light via an intermolecular interaction of an imino group contained in the compound of formula (II) and an electron-donatable moiety contained in the electron-donatable compound.

Copper-based catalyst for converting ammonia into nitrogen

A copper-based catalyst which is suitable for converting ammonia of high concentration and with better selectivity, thereby solving a problem of pollution and toxicity due to nitrogen oxides by a conventional catalyst reacting under high temperature is disclosed. The copper-based catalyst comprises: a porous oxide support and a low valent copper compound mixing with the porous oxide support by an acid hydrothermal method; wherein the low valent copper compound with is Cu and Cu2O.

System and Method for Determining Concentration of a Predetermined Osteoarthritis Biomarker in a Urine Sample

A system for determining concentration of a predetermined osteoarthritis biomarker in a urine sample includes first cell and first limiting elements, a quartz crystal microbalance (QCM) sensor device having a sample contacting side, and a monitoring device. The first cell element has a sensor confronting side formed with a recess portion. The first limiting element is disposed at the sensor confronting side, is disposed to surround the recess portion, contacts the sample contacting side, and cooperates with the recess portion and the sample contacting side to confine a sample receiving space for receiving the urine sample. The QCM sensor device includes a quartz resonator and an antibody applied to the quartz resonator and capable of binding with the biomarker, generates a concentration signal corresponding to mass of the biomarker that binds to the antibody, and is coupled to the monitoring device to provide the concentration signal thereto for processing thereby.

IRIDIUM-DOPED CARBON NANOTUBE AND ELECTRODE AND SENSOR CONTAINING THE SAME

An iridium-doped carbon nanotube has an atomic ratio of iridium to carbon on a surface thereof ranging from 1×10 −4 to 3.5×10 −4 as measured by X-ray photoelectron spectroscopy. A working electrode including the aforesaid iridium-doped carbon nanotube and a sensor including the working electrode are also disclosed in the present invention.

PHOTOLUMINESCENT ORGANIC MATERIAL

A compound of formula (I) is disclosed: wherein definitions of R 1 , R 2 , and R 3 are the same as those defined in the specification. The compound of formula (I) can emit light via an intramolecular interaction of an imino group and an electron-donatable moiety contained in the compound. A photoluminescent organic composition is also disclosed, which includes a compound represented by formula (II) in the presence of an electron-donatable compound, wherein definitions of R 4 , R 5 , and R 6 are the same as those defined in the specification. The photoluminescent organic composition can emit light via an intermolecular interaction of an imino group contained in the compound of formula (II) and an electron-donatable moiety contained in the electron-donatable compound.

PROVISIONING FEDERATED COMPUTATION ON DISTRIBUTED PRIVATE DATA

A method comprises receiving in a governor device, from a plurality of data owner devices, metadata for one or more datasets maintained by the plurality of data owner devices, registering the metadata for the one or more datasets with the governor device, in response to a request from an aggregator, providing at least a portion of the metadata for the one or more datasets to the aggregator, receiving, from the aggregator, a compute plan to be implemented by the plurality of data owner devices, distributing at least a portion of the compute plan to the plurality of data owner devices, in response to receiving, from the plurality of data owner devices, a verification report and a certification for an enclave, binding the enclave to a host device, and providing the compute plan to the plurality of data owner devices.

METHOD FOR MAKING FLUORESCENT GOLD NANO-MATERIAL

A method for making a fluorescent gold nano-material having a gold nanocluster and thiol ligands on a surface of the gold nanocluster includes reacting a mixture of a gold-containing compound, an alkyl alcohol, and a thiol compound.

METHODS AND APPARATUS FOR FEDERATED TRAINING OF A NEURAL NETWORK USING TRUSTED EDGE DEVICES

Methods, apparatus, systems and articles of manufacture for federated training of a neural network using trusted edge devices are disclosed. An example system includes an aggregator device to aggregate model updates provided by one or more edge devices. The one or more edge devices to implement respective neural networks, and provide the model updates to the aggregator device. At least one of the edge devices to implement the neural network within a trusted execution environment. 1. An edge device for federated training of a neural network , the edge device comprising:a local data throttler to determine whether to allow a new local data item to be incorporated into a training process of a neural network at the edge device, the neural network implemented within a trusted execution environment of the edge device;a hash ledger to store hashes corresponding to local data items that are permitted to be used in training of the neural network a model receiver to apply model parameters provided to the neural network by an aggregator device;a neural network trainer to train the neural network to create a model update using local data items that have a corresponding hash stored in the hash ledger; anda model update provider to provide the model update to the aggregator device.2. The edge device of claim 1 , wherein the local data throttler is further to determine whether the new local data item is trusted.3. The edge device of claim 2 , wherein the local data throttler is to determine that the new local data item is trusted when the new local data item originates from trusted hardware.4. The edge device of claim 1 , further including a local data accesser to validate hashes of the local data items against previously stored hashes of the respective local data items stored in the hash ledger.5. The edge device of claim 4 , wherein the validating is to prevent use of the local data items that have been modified since their corresponding hash was stored in the hash ledger.6. The ...

Hybridoma cell line for producing antibody for type II collagen

The present invention provides a hybridoma cell line (DSM ACC3145), wherein the hybridoma cell line produces an antibody which specifically binds to an amino acid sequence of type II collagen comprising: K-G-E-P-G-D-D-G-P-S-C (as set forth in SEQ ID NO. 1); and a method for detecting osteoarthritis, by identifying a presence of type II collagen in a urine sample through containing the urine sample with the said antibody.

Techniques to detect perturbation attacks with an actor-critic framework

Embodiments discussed herein may be generally directed to systems and techniques to generate a quality score based on an observation and an action caused by an actor agent during a testing phase. Embodiments also include determining a temporal difference between the quality score and a previous quality score based on a previous observation and a previous action, determining whether the temporal difference exceeds a threshold value, and generating an attack indication in response to determining the temporal difference exceeds the threshold value.

Sensing method of electrochemical sensor

A sensing method of an electrochemical sensor including the following steps is provided. First, a fluorescent material is immobilized on a surface of an electrode so as to form a sensing electrode. The sensing electrode is then used to execute an electrochemical test of a target in a light-shielding environment.

SENSING METHOD OF ELECTROCHEMICAL SENSOR

A sensing method of an electrochemical sensor including the following steps is provided. First, a fluorescent material is immobilized on a surface of an electrode so as to form a sensing electrode. The sensing electrode is then used to execute an electrochemical test of a target in a light-shielding environment. 1. A sensing method of an electrochemical sensor , the sensing method comprising:immobilizing a fluorescent material on a surface of an electrode to form a sensing electrode;in a light-shielding environment, using the sensing electrode to perform an electrochemical test on a target.2. The sensing method of claim 1 , wherein the fluorescent material comprises quinine hemisulfate.3. The sensing method of claim 1 , wherein the fluorescent material comprises an oligochitosan fluorescent derivative.4. The sensing method of claim 1 , wherein the fluorescent material comprises a polyethylene imine (PEI) fluorescent derivative.5. The sensing method of claim 1 , wherein the target includes an electroactive substance.6. The sensing method of claim 5 , wherein the electroactive substance includes metal ions or quinone.7. The sensing method of claim 5 , wherein the electroactive substance includes reduced β-nicotinamide adenine dinucleotide (NADH) or hydrogen peroxide (HO).8. The sensing method of claim 1 , wherein the electrochemical test includes a voltammetric sensing mode.9. The sensing method of claim 1 , wherein the technique for immobilizing the fluorescent material on the surface of the electrode includes covalent bond formation dependent or non-covalent bond formation dependent. This application claims the priority benefit of Taiwan application serial no. 101129049, filed on Aug. 10, 2012. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.The disclosure relates to a sensing method of an electrochemical sensor, and also relates to a sensing method of an electrochemical sensor ...

TECHNOLOGIES FOR ANALYZING UNIFORM RESOURCE LOCATORS

Technologies for analyzing a Uniform Resource Locator (URL) include a multi-stage URL analysis system. The multi-stage URL analysis system analyzes the URL using a multi-stage analysis. In the first stage, the multi-stage URL analysis system analyzes the URL using an ensemble lexical analysis. In the second stage, the multi-stage URL analysis system analyzes the URL based on third-party detection results. In the third stage, the multi-stage URL analysis system analyzes the URL based on metadata related to the URL. The multi-stage URL analysis system advances the stages of analysis if a malicious classification score determined by each stage does not satisfy a confidence threshold. The URL may also be selected for additional rigorous analysis using selection criteria not used in by the analysis stages. 1. A Uniform Resource Locator (URL) analysis system to analyze a URL , the URL analysis system comprising:a URL lexical ensemble analyzer to (i) analyze the URL based on an ensemble lexical analysis to determine a first malicious classification score for the URL, wherein the first malicious classification score is indicative of whether the URL is malicious and (ii) determining whether the first malicious classification score satisfies a confidence threshold;a third-party detection analyzer to (i) analyze the URL based on third-party malicious URL detection results associated with the URL and determined by a third-party source to determine a second malicious classification score for the URL in response to a determination that the first malicious classification score does not satisfy the confidence threshold, wherein the second malicious classification score is indicative of whether the URL is malicious and (ii) determine whether the second malicious classification score satisfies the confidence threshold; anda local URL metadata analyzer to analyze metadata related to the URL to determine a third malicious classification score for the URL in response to a determination ...

COPPER-BASED CATALYST FOR CONVERTING AMMONIA INTO NITROGEN

A copper-based catalyst which is suitable for converting ammonia of high concentration and with better selectivity, thereby solving a problem of pollution and toxicity due to nitrogen oxides by a conventional catalyst reacting under high temperature is disclosed. The copper-based catalyst comprises: a porous oxide support and a low valent copper compound mixing with the porous oxide support by an acid hydrothermal method; wherein the low valent copper compound with is Cu and CuO. 1. A copper-based catalyst for converting ammonia into nitrogen comprising:a porous oxide support; anda copper compound with low valence mixing with the porous oxide support by an acid hydrothermal method;{'sub': '2', 'wherein the low valent copper compound is Cu and CuO.'}2. The copper-based catalyst for converting ammonia nitrogen as defined in claim 1 , wherein the porous oxide support adheres to low valent copper compounds with a weight percentage of 20˜40%.3. The copper-based catalyst for converting ammonia into nitrogen as defined in claim 1 , wherein the porous oxide support is aluminum oxide claim 1 , silicon oxide claim 1 , clays or zeolitest. 1. Field of the InventionThe present invention generally relates to a copper-based catalyst for converting ammonia (NH) into nitrogen and, more particularly, to a copper-based catalyst with better selectivity and suitable for converting ammonia (NH) of high concentration.2. Description of the Related ArtWaste resin generated by industries can be wet treated to produce ammonia with concentration up to 66.7%. Ammonia can be decomposed by a catalytic decomposition method. There are two kinds of catalytic decomposition methods for ammonia, which are reduction reaction and oxidation reaction. The reduction decomposition method mainly produces hydrogen and nitrogen, but is energy-waste due to its high reaction temperature. The oxidation decomposition method mainly produces nitrogen and water. Nitrogen produced by the oxidation decomposition method ...

用以生產第ｉｉ型膠原片段抗體的融合瘤細胞株、及以尿液檢測退化性關節炎之方法

一種用以生產第Ⅱ型膠原片段抗體的融合瘤細胞株，該融合瘤細胞株係寄存於新竹食品科學工業發展研究所，寄存編號為BCRC 960423，該抗體係專一性結合於一第Ⅱ型膠原片段，該第Ⅱ型膠原片段係如SEQ ID NO：1所示之胜肽片段；一種以尿液檢測退化性關節炎之方法，係利用該抗體與尿液中退化性關節炎之生物標記結合，該生物標記係包含如SEQ ID NO：1所示之第Ⅱ型膠原片段。

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Trusted provenance authority for cloud native computing platforms

Various systems and methods are described for implementing remote attestation and data provenance verification. An example method for attestation and provenance verification, performed by a computing node, includes: receiving evidence from a client relating to a computing task; analyzing the evidence to determine a provenance verification result for trustworthiness of the computing task; evaluating compliance of the computing task with a policy; and returning an attestation token that includes the provenance verification result for the computing task, in response to determining the computing task is compliant with the policy.

奈米銅基觸媒之製備方法

一種奈米銅基觸媒之製備方法，使用溶劑熱法，溶劑為水及正丁醇；其中，水熱反應，操作壓力為250 Bar，反應溫度為350～400°C，在多孔性氧化鋁擔體上均勻沉積奈米銅粒子；再於固定床反應器中進行氨氣分解，操作壓力為100bar，反應溫度150～200°C，分解氨氣之效果達90～99%。藉此，本發明係利用溶劑熱法，透過上述製備條件，於多孔性氧化鋁擔體上沉積銅粒子，俾以製備成低反應溫度及高轉化率之銅基觸媒，使其適用於一般氨氣之分解，可有效地減少能源耗費，以達節能減碳之目標。