Embedding-Based Query Translation for Social Networks
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Solution Overview
Problem
Social networking systems face inefficiencies in processing search queries due to over-triggering and under-triggering when using context-free grammar models, which fail to accurately identify complex queries and keywords, leading to suboptimal search results.
Innovation Solution
The implementation of an embedding-based translation model using neural networks, specifically Long Short-Term Memory (LSTM) classifiers and translators, to determine and process search queries, where queries are parsed for unique entities and translated into executable commands, reducing reliance on templates and improving query processing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If context-free grammar models are used to process search queries, then query processing can be performed, but over-triggering and under-triggering occur leading to reduced accuracy
Solution Approach 1:
The patent replaces the mechanical context-free grammar parsing system with a neural network-based embedding model. The LSTM classifier and translator networks process query embeddings to determine grammar query status and generate executable commands, substituting the rigid rule-based mechanical system with a learned probabilistic model that captures contextual nuances, thereby reducing over-triggering and under-triggering.
Solution Approach 2:
The patent transforms the query processing approach by changing from discrete grammar rules to continuous vector embeddings. Queries are converted to embedding vectors that capture semantic meaning, and the LSTM model processes these continuous representations to classify grammar queries and generate commands, fundamentally changing the parameter space from symbolic to continuous.
2Productivity
If template-based translation is used for grammar queries, then processing speed improves, but complexity increases due to maintaining multiple templates
Solution Approach 1:
The patent creates a universal embedding-based translation model that handles all grammar query types without requiring separate templates. The LSTM translator network learns to map diverse query patterns to executable commands through training on embedded representations, making the system multi-functional and template-agnostic, thereby eliminating template management complexity while maintaining processing speed.
Solution Approach 2:
The patent uses embedding vectors as copies or representations of the actual queries. Instead of storing and matching against numerous text templates, the system creates vector copies of queries that capture their essential meaning, allowing efficient comparison and translation without the complexity of maintaining explicit template structures.
Data Source
AI summary
In one embodiment, a method includes receiving a search query comprising one or more n-grams from a client system associated with a user of an online social network, generating one or more term embeddings representing the one or more n-grams of the search query, respectively, encoding the one or more term embeddings to generate a query embedding representing the search query, decoding the query embedding to generate one or more output term embeddings representing one or more query tokens, constructing a query command from the one or more output term embeddings, executing the query command to retrieve one or more search results, and sending, to the client system in response to the search query, instructions for generating a search-results interface for presentation to the user, the search-results interface comprising one or more of the retrieved search results.


