PDF Explainability Methods for Natural Language Processing: Applications to Sentiment Analysis

The Power of Semantics from Language to Business Applications and Artificial Intelligence

applications of semantic analysis

Whenever our team had questions, Repustate provided fast, responsive support to ensure our questions and concerns were never left hanging. Remove the same words in T1 and T2 to ensure that the elements in the joint word set T are mutually exclusive. Among them, is the set of words in the sentence T1, and is the set of words in the sentence T2. As NLP models become more complex, there is a growing need for interpretability and explainability. Efforts will be directed towards making these models more understandable, transparent, and accountable.

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In the experimental test, the method of comparative test is used for evaluation, and the RNN model, LSTM model, and this model are compared in BLUE value. Basic semantic units are semantic units that cannot be replaced by other semantic units. Basic semantic unit representations are semantic unit representations that cannot be replaced by other semantic unit representations. For the representation of a discarded semantic units, they are semantic units that can be replaced by other semantic units. The framework of English semantic analysis algorithm based on the improved attention mechanism model is shown in Figure 2.

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Panel 1 baseline participants with deployment experience between 2001 and 2007 in support of the operations in Iraq and Afghanistan were less likely to respond to the open-ended question. However, Panel 1 follow-up and Panel 2 baseline participants with deployment experience in support of the operations in Iraq and Afghanistan were more likely to respond to the open-ended question. Data cleaning techniques are essential to getting accurate results when you analyze data for various purposes, such as customer experience insights, brand monitoring, market research, or measuring employee satisfaction. Video editing suite platforms use semantic search to organize original content and segregate edited videos. Platforms like Movavi, Adobe Premiere, Lumen5, etc. all employ intelligent archiving, organizing, and search for their content base.

In this paper, the LSA model from natural language processing is successfully used in protein remote homology detection and improved performances have been acquired in comparison with the basic formalisms. Each document is represented as a linear combination of hidden abstract concepts, which arise automatically from the SVD mechanism. As a result, the LSA model achieves better performance than the methods without LSA. While semantic analysis has made significant strides in AI and language processing, it still faces various challenges and limitations. Acquiring large amounts of labeled data, particularly for specialized domains or languages, can be a time-consuming and costly endeavor.Furthermore, cultural and linguistic variations pose additional challenges in semantic analysis.

This matrix is also common to standard semantic models, though it is not necessarily explicitly expressed as a matrix, since the mathematical properties of matrices are not always used. We were blown away by the fact that they were able to put together a demo using our own YouTube channels on just a couple of days notice. We tried many vendors whose speed and accuracy were not as good as

Repustate’s. Arabic text data is not easy to mine for insight, but


Repustate we have found a technology partner who is a true expert in


field. Semantic search examples abound in our everyday usage and are so ubiquitous that we take them for granted. Repustate has helped organizations worldwide turn their data into actionable insights.

The online presence, reviews, and vocal expectations are accessed to make judgments about the new campaigns aimed at improvement and promotion. If a change is detected in the public’s perception of any component of your business, sentiment analysis can reveal it to you. Peaks or dips in sentiment scores provide a starting point for developing new marketing campaigns, sales rep or customer service agent training, or product upgrades. In psychology, sociology, and political science, sentiment analysis finds application in examining trends, viewpoints, inherent bias, measure response, etc. The functionality in Sentiment Analysis can be particularly helpful in creating campaigns targeted toward marketing a product or a feature in a company or even when launching a new product.

What Is Semantic Search & How To Implement [Python, BERT, Elasticsearch]

So, semantics adds another layer to the Web and is able to show related facts instead of just matching words. Semantic Technology uses formal semantics to give meaning to the disparate data that surrounds us. Together with Linked Data technology, it builds relationships between data in various formats and sources, from one string to another, helping create context. Interlinked in this way, these pieces of raw data form a giant web of data or a knowledge graph, which connects a vast amount of descriptions of entities and concepts of general importance. Interlink your organization’s data and content by using knowledge graph powered natural language processing with our Content Management solutions. Microsoft Azure Text Analytics is a cloud-based service that provides NLP capabilities for text analysis.

applications of semantic analysis

Want a customized view of how sentiment analysis can work for your business data? Find out who’s receiving positive mentions  among your competitors, and how your marketing efforts compare. Discover how a product is perceived by your target audience, which elements of your product need to be improved, and know what will make your most valuable customers happy. Sentiment analysis is one of the most popular ways to analyze text, such assurvey responses, customer support issues, online reviews, and live chats, because it can help companies stay on top of customer satisfaction.

Extractive Summarization for Explainable Sentiment Analysis using Transformers

The challenge lies in training AI systems to recognize such semantic similarities amidst syntactic differences. When you see the character «山,» it’s not just a random design; it carries the entire meaning of «mountain.» This is a semantic representation. After understanding the foundational concept, we’ll look at an illustrative analogy using Japanese scripts. Dive into the transformative role of Semantic Analysis in Business Intelligence, exploring its benefits, applications, tools, and challenges in extracting deeper insights. IBM has launched a new open-source toolkit, PrimeQA, to spur progress in multilingual question-answering systems to make it easier for anyone to quickly find information on the web.

  • This information can be used by businesses to identify emerging trends, understand customer preferences, and develop effective marketing strategies.
  • In this article, we will delve into the intricacies of semantic analysis, exploring its key concepts and terminology, and delving into its various applications across industries.
  • According to IBM, semantic analysis has saved 50% of the company’s time on the information gathering process.
  • An upcoming brand can also use it to educate itself about what is happening in the industry and what is expected of them in its niche.

The elements of W can be taken as the number of times each word appears in each document, thus the dimension of W is M × N, where M is the total number of words and N is the number of given documents. To compensate for the differences in document lengths and overall counts of different words in the document collection, each word count can be normalized (Landauer et al., 1998). LSA is a theory and method for extracting and representing the contextual-usage meaning of words by statistical computations applied to a large corpus of text (Landauer et al., 1998). The Millennium Cohort Study is a longitudinal cohort study designed in the late 1990s to evaluate how military service may affect long-term health. The purpose of this investigation was to examine characteristics of Millennium Cohort Study participants who responded to the open-ended question, and to identify and investigate the most commonly reported areas of concern.

All processing is done in only one Wikipedia (the for the nine other languages are collected by following the translation links in Wikipedia. SA is the computational treatment of opinions, sentiments and subjectivity of text. This survey paper tackles a comprehensive overview of the last update in this field.

applications of semantic analysis

Latent Semantic Analysis (LSA) treats language learning and representation as a problem in mathematical induction. It casts the passages of a large and representative text corpus as a system of simultaneous linear equations in which passage meaning equals the sum of word meanings. Successes to date disprove the poverty of the stimulus argument for lexical meaning and recast the problem of syntax learning, but leave much room for improvement. Demonstrations that people think in other modes, or that LSA does not exhaust linguistic meaning do not question LS A’s validity, but call for more modeling, testing, and integration. Intelligent search understands a query that has been input in a conversational manner and then retrieves information and presents it to the user in the same style.

Additionally, semantic analysis can be used to detect fraudulent activities, such as insider trading or market manipulation, by analyzing patterns in communication data. It can be concluded that the model established in this paper does improve the quality of semantic analysis to some extent. The advantage of this method is that it can reduce the complexity of semantic analysis and make the description clearer. In order to verify the effectiveness of this algorithm, we conducted three open experiments and got the recall and accuracy results of the algorithm.

applications of semantic analysis

Researchers and practitioners are working to create more robust, context-aware, and culturally sensitive systems that tackle human language’s intricacies. Sentiment Analysis can offer a different viewpoint on the market and provide valuable insights into how consumers, who are on the ground level, understand the state of things. Now, we can understand that meaning representation shows how to put together the building blocks of semantic systems.

Combining all these activities, they extract relevant details from the data source and present the user with precise results. IBM’s Watson provides a conversation service that uses semantic analysis (natural language understanding) and deep learning to derive meaning from unstructured data. It analyzes text to reveal the type of sentiment, emotion, data category, and the relation between words based on the semantic role of the keywords used in the text. According to IBM, semantic analysis has saved 50% of the company’s time on the information gathering process.

Today, semantic analysis methods are extensively used by language translators. Earlier, tools such as Google translate were suitable for word-to-word translations. However, with the advancement of natural language processing and deep learning, translator tools can determine a user’s intent and the meaning of input words, sentences, and context.

Semantic analysis is a sub topic, out of many sub topics discussed in this field. This article aims to address the main topics discussed in semantic analysis to give a brief understanding for a beginner. LSA is a fully automatic mathematical/statistical technique for extracting and inferring meaningful relations from the contextual usage of words [8, 9]. Using LSA software developed by Pearson Knowledge Technologies, lexical analysis was performed on the responses to the final question, which asks participants to share any other health concerns not covered in the structured instrument. This allowed for identifying semantic similarities among open text responses to determine clusters of responses with high contextual similarity (e.g., noting that «welding fumes» and «asbestos» have similar meaning within the context of this study).


Grammatical analysis and the recognition of links between specific words in a given context enable computers to comprehend and interpret phrases, paragraphs, or even entire manuscripts. So, likening the concept of semantics to the way Japanese Kanji characters carry meaning can be a helpful way to illustrate the point. However, remember that this analogy is a simplification, and semantics in language and technology can be a lot more complex.

The Role of Natural Language Processing in AI: The Power of NLP – DataDrivenInvestor

The Role of Natural Language Processing in AI: The Power of NLP.

Posted: Sun, 15 Oct 2023 10:28:18 GMT [source]

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