Methods, systems, and computer readable media for selecting multiple network function types using a single discovery request
Granted: February 21, 2023
Patent Number:
11589298
A method for selecting multiple network function (NF) types using a single discovery request includes receiving, by a NF repository function (NRF) from a consumer NF, a single discovery request message that requests discovery of a plurality of producer NF types in a fifth generation (5G) core network and includes an indication of multiple NF discovery requests, obtaining, by the NRF, NF profile objects corresponding to each of the plurality of producer NF types included in the single…
Generating desired discourse structure from an arbitrary text
Granted: February 21, 2023
Patent Number:
11586827
Systems, devices, and methods of the present disclosure use discourse analysis and other techniques to form questions and answers from text. The questions and answers can be used for different applications, including providing a virtual dialogue or generating training data for machine-learning models. For example, a dialogue application generates a discourse tree that represents text and identifies a question from a satellite elementary discourse unit of the discourse tree. The dialogue…
Detecting second-order security vulnerabilities in libraries
Granted: February 21, 2023
Patent Number:
11586740
A method for executing a second-order taint analysis on library code may include generating, by executing a first-order taint analysis on the library code starting at a sink, a first execution path from a load instruction to the sink. The load instruction may perform: reading a first value using a first global identifier. The method may further include determining a store instruction by matching the load instruction and the store instruction. The store instruction may perform: writing a…
Regular expression generation using span highlighting alignment
Granted: February 14, 2023
Patent Number:
11580166
Techniques for generated regular expressions are disclosed. In some embodiments, a regular expression generator may receive input data comprising one or more character sequences. The regular expression generator may convert character sequences into a sets of regular expression codes and/or span data structures. The regular expression generator may identify a longest common subsequence shared by the sets of regular expression codes and/or spans, and may generate a regular expression based…
Methods, systems, and computer readable media for mitigating denial of service (DoS) attacks at network functions (NFs)
Granted: February 14, 2023
Patent Number:
11582258
A method for DoS attacks at an NF includes maintaining, at a first NF, an NF subscription database containing rules that specify maximum numbers of allowed subscriptions and corresponding rule criteria. The method further includes receiving, at the first NF and from a second NF, a subscription request for establishing a subscription. The method further includes determining, by the first NF, that the subscription request matches criteria for at least one rule in the NF subscription…
System, method and computer readable medium for determining an event generator type
Granted: February 14, 2023
Patent Number:
11582139
Human interaction with a webpage may be determined by processing an event stream generated by the client device during the webpage interaction. A classification server receives the event stream and compares components of the event stream, including components of an event header message, with prerecorded datasets. The datasets include prerecorded event streams having a known interaction type. Training clients may be provided for generating the prerecorded datasets.
Secure distribution of entropy
Granted: February 14, 2023
Patent Number:
11582030
Techniques are disclosed for securely distributing entropy in a distributed environment. The entropy that is distributed may be quantum entropy that is generated by a quantum entropy generator or source. The true random entropy generated by a trusted entropy generator can be communicated securely among computer systems or hosts using secure communication channels that are set up using a portion of the entropy. The distribution techniques enable computer systems and hosts, which would…
Artificial intelligence based fraud detection system
Granted: February 14, 2023
Patent Number:
11580339
Embodiments detect fraud of risk targets that include both customer accounts and cashiers. Embodiments receive historical point of sale (“POS”) data and divide the POS data into store groupings. Embodiments create a first aggregation of the POS data corresponding to the customer accounts and a second aggregation of the POS data corresponding to the cashiers. Embodiments calculate first features corresponding to the customer accounts and second features corresponding to the cashiers.…
Detecting hypocrisy in text
Granted: February 14, 2023
Patent Number:
11580298
Techniques are disclosed for identifying hypocrisy in text. A computer system creates, from fragments of text, a syntactic tree that represents syntactic relationships between words in the fragments. The system identifies, in the syntactic tree, a first entity and a second entity. The system further determines that the first entity is opposite to the second entity. The system further determines a first sentiment score for a first fragment comprising the first entity and a second…
Coverage of web application analysis
Granted: February 14, 2023
Patent Number:
11580228
A method for detecting a defect may include extracting, from application code and using a framework support specification corresponding to a framework, a framework interaction between the application code and the framework. The framework interaction specifies an object used by the application code and managed by the framework. The method may further include performing, using the framework interaction, a dynamic analysis of the application code to obtain a heap snapshot, performing, using…
Search indexing using discourse trees
Granted: February 14, 2023
Patent Number:
11580144
Systems, devices, and methods of the present invention create a searchable index that includes informative portions of text. In an example, a computer-implemented method creates a discourse tree from a body of text. For each non-terminal node in the discourse tree, the method identifies a rhetorical relationship associated with the non-terminal node. The method labels each terminal node associated with the non-terminal node as either a nucleus or a satellite. The method further accesses…
Cache conscious techniques for generation of quasi-dense grouping codes of compressed columnar data in relational database systems
Granted: February 14, 2023
Patent Number:
11580108
Herein are techniques for dynamic aggregation of results of a database request, including concurrent grouping of result items in memory based on quasi-dense keys. Each of many computational threads concurrently performs as follows. A hash code is calculated that represents a particular natural grouping key (NGK) for an aggregate result of a database request. Based on the hash code, the thread detects that a set of distinct NGKs that are already stored in the aggregate result does not…
Disk drive failure prediction with neural networks
Granted: February 14, 2023
Patent Number:
11579951
Techniques are described herein for predicting disk drive failure using a machine learning model. The framework involves receiving disk drive sensor attributes as training data, preprocessing the training data to select a set of enhanced feature sequences, and using the enhanced feature sequences to train a machine learning model to predict disk drive failures from disk drive sensor monitoring data. Prior to the training phase, the RNN LSTM model is tuned using a set of predefined…
PMEM cache RDMA security
Granted: February 7, 2023
Patent Number:
11573719
Techniques are described for providing one or more clients with direct access to cached data blocks within a persistent memory cache on a storage server. In an embodiment, a storage server maintains a persistent memory cache comprising a plurality of cache lines, each of which represent an allocation unit of block-based storage. The storage server maintains an RDMA table that include a plurality of table entries, each of which maps a respective client to one or more cache lines and a…
Data partitioning and parallelism in a distributed event processing system
Granted: February 7, 2023
Patent Number:
11573965
An event processing system for processing events in an event stream is disclosed. The system is configured for determining a stage for a continuous query language (CQL) query being processed by an event processing system and/or determining a stage type associated with the stage. The system is also configured for determining a transformation to be computed for the stage based at least in part on the stage type and/or determining a classification for the CQL query based at least in part on…
Dynamic performance tuning based on implied data characteristics
Granted: February 7, 2023
Patent Number:
11573962
Techniques for improving system performance based on data characteristics are disclosed. A system may receive updates to a first data set at a first frequency. The system selects a first storage configuration, from a plurality of storage configurations, for storing the first data set based on the first frequency, and stores the first data set in accordance with the first storage configuration. The system may further receive updates to a second data set at a second frequency. The system…
Tracking garbage collection states of references
Granted: February 7, 2023
Patent Number:
11573894
Garbage collection (GC) states are stored within references stored on a heap memory to track a progress of GC operations with respect to the references. GC state may be stored in a non-addressable portion of references. Based on the GC state of a particular reference, a set of GC operations are selected and performed for the reference. However, references stored on a call stack do not include any indication of GC state. Hence, loading a reference from heap to call stack involves removing…
Generating a next best action recommendation using a machine learning process
Granted: February 7, 2023
Patent Number:
11573812
Techniques for determining a Next Best Action (NBA) are disclosed, with the determination being based on a position within an application, past actions by a user when experiencing a similar application context, and/or tasks in queue for the user to execute from current state of the application. Techniques are also disclosed for displaying an interface that includes the NBA in conjunction with a specific rationale for presenting the NBA, such as recommendations by a trusted person, based…
Implementing state-based frame barriers to process colorless roots during concurrent execution
Granted: February 7, 2023
Patent Number:
11573794
An application thread executes concurrently with a garbage collection (GC) thread traversing a call stack of the application thread. Frames of the call stack that have been processed by the GC thread assume a global state associated with the GC thread. The application thread may attempt to return to a target frame that has not yet assumed the global state. The application thread hits a frame barrier, preventing return to the target frame. The application thread determines a frame state…
Lazy push strategies for vectorized D-Heaps
Granted: February 7, 2023
Patent Number:
11573793
Techniques are provided for lazy push optimization, allowing for constant time push operations. A d-heap is used as the underlying data structure for indexing values being inserted. The d-heap is vectorized by storing values in a contiguous memory array. Heapify operations are delayed until a retrieve operation occurs, improving insert performance of vectorized d-heaps that use horizontal aggregation SIMD instructions at the cost of slightly lower retrieve performance.
