How Generative AI and NLP Are Revolutionizing Search Technology

Sivasundar Pattabiraman
Published 10/17/2024
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Generative AI Makes Search Tech BetterGenerative artificial intelligence (GenAI), supported by natural language processing (NLP), is revolutionizing search technology with advanced efficiency, indexing, and personalization in multimodal query results. With semantic search, users have unprecedented access to accurate, comprehensive information from verified sources, reducing the spread of misinformation. Mitigating challenges with AI in integration and usage includes developing an implementation plan for handling bias, data security, and regulatory compliance. GenAI will continue to evolve and expand, permanently reshaping dynamic content discovery.

 

Introduction


Generative artificial intelligence (GenAI) is revolutionizing search technologies by enhancing their capabilities. It can improve the accuracy and efficiency of search results by understanding and generating responses to complex queries through natural language processing (NLP) algorithms that can interpret the intent behind a user’s question more effectively. In addition, it can enrich the search experience by automatically tagging and classifying large datasets with minimal human input, making the data more accessible and the search more intuitive, all while personalizing search results and combating the spread of misinformation for better, user-centric search experiences.

 

GenAI and NLP in Search Tech


GenAI is an artificial intelligence model that can generate answers, usually in response to user prompts, through text or visual imagery and videos. Combining GenAI with NLP, a machine learning (ML) technology that enables programs and algorithms to comprehend, interpret, and analyze human language and its intended sentiment, provides an enhanced user experience. These programs break down queries to provide more accurate results. For example, based on the context of a user search with the term “apple,” the trained software determines whether the user’s intent is about the fruit, the company, or the person. NLP can extract meaningful data while GenAI generates summaries and other responses, allowing the duo to process high-level indexing.

 

GenAI Improves Accuracy, Semantic Searches, and Indexing


Search accuracy is critical for users. By properly interpreting queries, GenAI generates precise, rapid results that match the user’s intent via semantic search, eliminating the need to spend excess time sorting through vast amounts of data. Deep learning (DL) based models excel at identifying and understanding the nuances of human language and sentiments with their comprehension of overarching intent and relationships between words. In seconds, trained GenAI processes a query, looking for similar concepts, synonyms, and trending information, and delivers relevant, personalized results. Additionally, GenAI can proactively introduce users to valuable, related ideas not part of the initial inquiry, streamlining the user’s overall search.

Semantic indexing’s flexibility elevates searches to a previously unknown level of intuition. While search tech has long since advanced beyond traditional lexical searching, in which only exact keyword matches resulted, semantic search is benefitting from the ingenuity of GenAI and NLP indexing. Instead of stating a clear query, users can enter unstructured, incomplete information and still receive relevant responses. For example, instead of entering “How does Generative AI benefit semantic searches?” in a search engine, a user can enter “genai semantic search” and be presented with precise results despite incomplete sentences, minimal information, and lack of capitalization. This automation streamlines the process, providing increased discoverability.

GenAI and NLP’s deep understanding allows for specific and nuanced categorizing, enabling sophisticated searches without the user needing a significant amount of data upfront. Since GenAI models self-teach and are highly adaptable, the constant influx of new information supports dynamic index updates without human involvement. Semantic indexing capabilities can also accommodate multimodal content, extracting from text, audio, videos, and imagery.

 

GenAI Reduces Misinformation


The unintentional spread of misinformation is rampant, making it challenging to determine what is fact and fiction. Using fact-checking application programming interfaces (APIs) and credible databases, GenAI models compare data from multiple tested sources and analyze patterns to identify false or unreliable content before presenting prioritized, accurate information. These verified sources are determined via peer review, and their historical accuracy and reputation, while frequently flagged, misleading, or sensationalist content, is adjusted even further down the results list.

GenAI models effectively reduce the spread of misinformation through training on comprehensive, accurate, and diverse datasets. When GenAI pulls data from sources that are not yet prominent enough to have been flagged but have negative indicators, the model utilizes collaborative filtering. This technique still relegates said information to low priority, enabling GenAI to mark the result for future scrutiny. The data is considered misleading or false if these indicators are noted through enough queries.

Retrieval-augmented generation (RAG) technology combined with semantic searches helps NLPs stay informed on accurate data. AI large language models (LLMs) are trained on information available at the time of training and have a cutoff date after which they are not current. RAG allows GenAI to reference authoritative knowledge from beyond the datasets used in training to provide up-to-date query responses.

 

Challenges and Limitations


Bias is one of the biggest concerns among GenAI users and non-users. Initial launches and integrations of generative software included arbitrary results that went unnoticed for some time. These biases were unintentional consequences of the datasets being used to train the AI models, either using historical data that is no longer accurate or making incorrect assumptions. For example, Amazon developed an AI model for hiring employees in 2014. It wasn’t until much later that they discovered the tool had a gender bias and prioritized male applicants because it saw the predominantly male-based resumes and believed that indicated more success.

The newest GenAI models, especially in combination with advanced NLPs, go a long way in negating these issues, but bias is still a concern that users and developers need to make provisions for. These programs are only as good as the data they are fed, so taking precautions when training AI models for integration is critical.

Privacy concerns are another paramount issue that challenges GenAI adopters. Many people do not fully understand how AI models function, therefore, they often enter personal or confidential information into a search query to assist with their task. They then delete the chat box or close the window, but these actions do not unteach the model of the supplied information, leaving private data to linger in the system. While future actions may be harmless, there is a real possibility of personal information being stored and misused. Users can avoid this by never submitting personal or confidential information into a search.

Transparency is vital to trustworthy AI models. GenAI has made great strides but is still in the early days of progress. The public does not know much about AI learning when they interact with an AI, and what the model is being used for. The traditional “black boxes” of training data and functionality are slowly being removed to allow for increased transparency as more organizations incorporate this technology.

GenAI implementation can work for most businesses with planning and due diligence. Integration with legacy systems presents challenges, both with functionality and cost implications. Software, hardware, staffing, training, and research all take time and can be a significant upfront cost that might not be fully recaptured for months or years. Once implemented, over-reliance on the search tech could also lead to issues like security concerns.

 

Integrating GenAI


Developing a calculated strategy to implement GenAI into an organization is necessary for success. Incorporating several vital components into the search tech integration plan leaves minimal room for error, saving valuable time and profit.

  • Bias mitigation: Diversity is key to accurate, fair search results, whether personal or professional. Taking time to ensure factual, impartial datasets for GenAI training eliminates the risk of unintentionally biased outcomes.
  • Data privacy and security: Prioritizing the privacy and security of all involved parties is paramount. Safety measures can be implemented to ensure that private or confidential information, such as birth dates and company project details, is not submitted to or retained by the AI model.
  • Training: Staff who interact with the GenAI program must be thoroughly trained on proper use, security guidelines, and basic troubleshooting. As advancements are integrated, continuous learning minimizes risks and errors.
  • Transparency: It is crucial to provide transparency to everyone who utilizes AI in queries. Users want to know when they are interacting with AI and what their information is being used for. As such, it is beneficial to explain the data use, storage, and disposal upfront.
  • Research and collaboration: Matching the solution to the problem is the best avenue to a successful implementation. Based on the organization’s size, an individual or a team with the technical expertise to install and maintain AI applications can identify the best model to resolve the issues presented by decision-makers.
  • Regulations: Laws and regulations regarding GenAI are ever-evolving and fighting to catch up with AI’s accelerated advancement. Some regulations already exist in various fields that automatically encompass this technology, and these must be strictly adhered to. A few to consider are the Health Insurance Portability and Accountability Act (HIPAA), the General Data Protection Regulation (GDPR), and the California Consumer Privacy Act (CCPA).
  • Controlled personalization: It is recommended that options be provided that allow users to retain some control over how their data is used to personalize the AI program by offering opt-outs and the ability to adjust privacy settings.
  • Performance and scalability: Optimizing AI for performance with each system it will interact with and incorporating scalability during the implementation plan development phase ensures query volumes can be handled efficiently without compromising system integrity.
  • Assessments and adaptation: Executing regular impact assessments to monitor GenAI’s impact on the organization and users while staying informed on advancements in search tech and AI development is critical. When testing shows room for improvement, staying flexible and adapting as needed helps maintain a competitive edge in the market.

The future of GenAI and NLP use in search tech will continue evolving as new technologies emerge and existing technologies improve. The collaboration of the two is revolutionizing the efficiency and precision of search tech. Predictive analytics, reinforcement learning, and generative adversarial networks (GAN) work together to anticipate future needs, learn from the past, and enhance user experiences. GenAI’s ability to process multimodal input will grow stronger, giving dynamic content discovery mechanisms more breadth and accuracy than ever before. The wave of generative AI is only picking up speed, and those who don’t investigate its uses for their internal search processing may cost themselves valuable time and profit.

 

About the Author


Sivasundar Pattabiraman is an engineering technical leader at Cisco Systems Inc. at Research Triangle Park, NC. He has nearly two decades of experience in the information technology and services industry. Pattabiraman received his Bachelor of Technology degree in information technology from Vellore Institute of Technology, India, and is pursuing an MBA from Duke University’s Fuqua School of Business. Sivasundar has served on the customer advisory board of a leading search analytics company and is a member of the Project Management Institute and Scrum Alliance. Contact him at https://www.linkedin.com/in/sipattab/.

 

Disclaimer: The author is completely responsible for the content of this article. The opinions expressed are their own and do not represent IEEE’s position nor that of the Computer Society nor its Leadership.