What is Semantic Analysis? Definition, Examples, & Applications In 2023

semantic analysis definition

QuestionPro often includes text analytics features that perform sentiment analysis on open-ended survey responses. While not a full-fledged semantic analysis tool, it can help understand the general sentiment (positive, negative, neutral) expressed within the text. Semantic analysis forms the backbone of many NLP tasks, enabling machines to understand and process language more effectively, leading to improved machine translation, sentiment analysis, etc.

  • This modular design supports the integration of future algorithms and models, and it addresses the processing and the transformation of model output data.
  • Semantic analysis allows computers to interpret the correct context of words or phrases with multiple meanings, which is vital for the accuracy of text-based NLP applications.
  • In addition, simultaneous annotation was rarely adopted in prior collaborative tools.
  • Specific tasks include tagging 3D brain regions, reconstructing entire neurons, tracing local dendritic and axon arbors, identifying somas, verifying potential synaptic sites and making various morphometric measures (Fig. 1b and Extended Data Fig. 1).

We considered human cortical neurons generated by a consortium involving human neuron extraction, labeling, mapping, reconstruction and modeling using a human adaptive cell tomography method36. While human brain images can be obtained in high-throughput through perfusion and imaging, the noise level is substantial because of the fluorescence of blood vessels and dye leaking out of injected cell bodies or other injection sites. We used CAR to reconstruct 80 human neurons from ten cortical regions (Fig. 4a and Extended Data Fig. 5). These neurons were mainly pyramidal cells with around 100 branches and ~15–20 topological layers of bifurcations embedded in images with intense noise (Fig. 4a,b). The reconstruction results showed that annotators effectively collaborated on reconstructing various parts of these neurons, especially focusing on areas with high branching density where the structural complexity was large (Fig. 4a). We also tested the applicability of both tools for other types of projection neurons that have many thin, often broken axonal branches (Fig. 2a).

According to a 2020 survey by Seagate technology, around 68% of the unstructured and text data that flows into the top 1,500 global companies (surveyed) goes unattended and unused. With growing NLP and NLU solutions across industries, deriving insights from such unleveraged data will only add value to the enterprises. According to thetop customer service trends in 2024 and beyond, 80% of organizations intend to… Semantic analysis, on the other hand, is crucial to achieving a high level of accuracy when analyzing text. Every type of communication — be it a tweet, LinkedIn post, or review in the comments section of a website — may contain potentially relevant and even valuable information that companies must capture and understand to stay ahead of their competition.

Source Data Fig. 5

Maps are essential to Uber’s cab services of destination search, routing, and prediction of the estimated arrival time (ETA). Along with services, it also improves the overall experience of the riders and drivers. Divergent types of knowledge in the workplace demand different approaches to effectively capture…

At the same time, there is a growing interest in using AI/NLP technology for conversational agents such as chatbots. These agents are capable of understanding user questions and providing tailored responses based on natural language input. This has been made possible thanks to advances in speech recognition technology as well as improvements in AI models that can handle complex conversations with humans.

Key aspects of lexical semantics include identifying word senses, synonyms, antonyms, hyponyms, hypernyms, and morphology. In the next step, individual words can be combined into a sentence and parsed to establish relationships, understand syntactic structure, and provide meaning. This makes it ideal for tasks like sentiment analysis, topic modeling, summarization, and many more. By using natural language processing techniques such as tokenization, part-of-speech tagging, semantic role labeling, parsing trees and other methods, machines can understand the meaning behind words that might otherwise be difficult for humans to comprehend. If you’re interested in a career that involves semantic analysis, working as a natural language processing engineer is a good choice. Essentially, in this position, you would translate human language into a format a machine can understand.

These aspects are handled by the ontology software systems themselves, rather than coded by the user. NeuraSense Inc, a leading content streaming platform in 2023, has integrated advanced semantic analysis algorithms to provide highly personalized content recommendations to its users. By analyzing user reviews, feedback, and comments, the platform understands individual user sentiments and preferences. Instead of merely recommending popular shows or relying on genre tags, NeuraSense’s system analyzes the deep-seated emotions, themes, and character developments that resonate with users. For example, if a user expressed admiration for strong character development in a mystery series, the system might recommend another series with intricate character arcs, even if it’s from a different genre. Uber uses semantic analysis to analyze users’ satisfaction or dissatisfaction levels via social listening.

For instance, if a new smartphone receives reviews like “The battery doesn’t last half a day! ”, sentiment analysis can categorize the former as negative feedback about the battery and the latter as positive feedback about the camera. In the realm of customer support, automated ticketing systems leverage semantic analysis to classify and prioritize customer complaints or inquiries. When a customer submits a ticket saying, “My app crashes every time I try to login,” semantic analysis helps the system understand the criticality of the issue (app crash) and its context (during login). As a result, tickets can be automatically categorized, prioritized, and sometimes even provided to customer service teams with potential solutions without human intervention. These refer to techniques that represent words as vectors in a continuous vector space and capture semantic relationships based on co-occurrence patterns.

Input and output for neuron reconstruction in CAR

B, Projection map illustrates the lengths of reconstructed neurites contributed through collaborations. The horizontal and vertical axes represent the origin (soma location) and destination (projection location) regions, respectively. Each cell in the map represents a projection pair, with the darkness of shading corresponding to the amount of the cross-edited length by collaboration. A ‘+’ symbol (yellow) is employed to denote cases in which collaborative addition was the predominant operation, while a ‘−’ symbol (purple) is used for instances in which collaborative subtraction dominated the editing process.

(PDF) The Semantic Analysis of Joko Widodo’s Speech on Youtube – ResearchGate

(PDF) The Semantic Analysis of Joko Widodo’s Speech on Youtube.

Posted: Sun, 03 Dec 2023 04:15:14 GMT [source]

In addition, neurons frequently possess complex structures that can hinder the attainment of unequivocal observations. This complexity can become magnified when a region contains multiple neurons, and large projecting neurons need to be reconstructed from whole-brain images that contain trillions of voxels. Due to these hurdles, high-quality training datasets of neuron morphology are currently scarce, making the development of deep learning and similar machine learning methods for this task a formidable challenge17. https://chat.openai.com/ A practical approach to leveraging learning-based techniques for neuron reconstruction involves identifying critical topological structures of neurons, such as branching points and terminal points32,33. However, without human validation, the results generated by these methods may still lack biological relevance. Semantic analysis, often referred to as meaning analysis, is a process used in linguistics, computer science, and data analytics to derive and understand the meaning of a given text or set of texts.

It then identifies the textual elements and assigns them to their logical and grammatical roles. Finally, it analyzes the surrounding text and text structure to accurately determine the proper meaning of the words in context. To improve the user experience, search engines have developed their semantic analysis. The idea is to understand a text not just through the redundancy of key queries, but rather through the richness of the semantic field. While, as humans, it is pretty simple for us to understand the meaning of textual information, it is not so in the case of machines. Thus, machines tend to represent the text in specific formats in order to interpret its meaning.

Semantic analysis plays a pivotal role in modern language translation tools. Translating a sentence isn’t just about replacing words from one language with another; it’s about preserving the original meaning and context. For instance, a direct word-to-word translation might result in grammatically correct sentences that sound unnatural or lose their original intent. Semantic analysis ensures that translated content retains the nuances, cultural references, and overall meaning of the original text. Search engines like Google heavily rely on semantic analysis to produce relevant search results. Earlier search algorithms focused on keyword matching, but with semantic search, the emphasis is on understanding the intent behind the search query.

It uses neural networks to learn contextual relationships between words in a sentence or phrase so that it can better interpret user queries when they search using Google Search or ask questions using Google Assistant. Semantic analysis allows computers to interpret the correct context of words or phrases with multiple meanings, which is vital for the accuracy of text-based NLP applications. Essentially, rather than simply analyzing data, this technology goes a step further and identifies the relationships between bits of data. Because of this ability, semantic analysis can help you to make sense of vast amounts of information and apply it in the real world, making your business decisions more effective.

The consensus algorithm employs an iterative voting strategy to merge tracing results (SWC files) from different instances, selecting and connecting consensus nodes to create a unified representation. To verify branching points, we designed a convolutional neural network called the residual single-head network (RSHN). The network consists of an encoding module, an attention module and two residual blocks. To reduce the dimensionality of the input, the patch undergoes an encoding process. The encoding operation is achieved by applying two 5 × 5 × 5 convolution kernels with a stride of 1, followed by two 3 × 3 × 3 convolution kernels with a stride of 2.

For SQL, we must assume that a database has been defined such that we can select columns from a table (called Customers) for rows where the Last_Name column (or relation) has ‘Smith’ for its value. For the Python expression we need to have an object with a defined member function that allows the keyword argument “last_name”. Until recently, creating procedural semantics had only limited appeal to developers because the difficulty of using natural language to express commands did not justify the costs. However, the rise in chatbots and other applications that might be accessed by voice (such as smart speakers) creates new opportunities for considering procedural semantics, or procedural semantics intermediated by a domain independent semantics. The semantic analysis method begins with a language-independent step of analyzing the set of words in the text to understand their meanings. This step is termed ‘lexical semantics‘ and refers to fetching the dictionary definition for the words in the text.

Conversational chatbots have come a long way from rule-based systems to intelligent agents that can engage users in almost human-like conversations. The application of semantic analysis in chatbots allows them to understand the intent and context behind user queries, ensuring more accurate and relevant responses. For instance, if a user says, “I want to book a flight to Paris next Monday,” the chatbot understands not just the keywords but the underlying intent to make a booking, the destination being Paris, and the desired date.

As discussed earlier, semantic analysis is a vital component of any automated ticketing support. It understands the text within each ticket, filters it based on the context, and directs the tickets to the right person or department (IT help desk, legal or sales department, etc.). All in all, semantic analysis enables chatbots to focus on user needs and address their queries in lesser time and lower cost. Thus, as and when a new change is introduced on the Uber app, the semantic analysis algorithms start listening to social network feeds to understand whether users are happy about the update or if it needs further refinement. Another useful metric for AI/NLP models is F1-score which combines precision and recall into one measure.

  • The processing methods for mapping raw text to a target representation will depend on the overall processing framework and the target representations.
  • Capturing the information is the easy part but understanding what is being said (and doing this at scale) is a whole different story.
  • Semantic analysis aids in analyzing and understanding customer queries, helping to provide more accurate and efficient support.
  • CAR integrates AI tools like BPV and TPV, as topological correctness and structural completeness are among the most crucial benchmarks for neuron reconstruction.
  • Other necessary bits of magic include functions for raising quantifiers and negation (NEG) and tense (called “INFL”) to the front of an expression.

The highest-resolution whole-brain images are partitioned into volumes with approximately 256 × 256 × 256 voxels. Subsequently, we filter out blocks with maximal intensities less than 250 (unsigned 16-bit image) and standardize the remaining blocks through z-score normalization, converting them to an unsigned eight-bit range. Following this, the blocks are binarized using their 99th percentile as thresholds, and the resulting images undergo transformation using the grayscale distance transform algorithm.

Its potential reaches into numerous other domains where understanding language’s meaning and context is crucial. Chatbots, virtual assistants, and recommendation systems benefit from semantic analysis by providing more accurate and context-aware responses, thus significantly improving user satisfaction. Chat GPT It helps understand the true meaning of words, phrases, and sentences, leading to a more accurate interpretation of text. Each row showcases a distinct neuron (VISp, MG, and AM), presenting its eight intermediate morphologies at time stages T1, T2,…, T8, arranged from left to right.

Where does Semantic Analysis Work?

CAR is built upon a comprehensive collaboration mechanism, provides management (mgmt.) for data, tasks and users and is boosted by AI capabilities. Right, example CAR clients are showcased, including CAR-VR, CAR-Mobile, CAR-Game (also called BrainKiller, unpublished work) and CAR-WS. In CAR, the annotation operations were synchronized among the server and the users using network messages.

On the other hand, Sentiment analysis determines the subjective qualities of the text, such as feelings of positivity, negativity, or indifference. This information can help your business learn more about customers’ feedback and emotional experiences, which can assist you in making improvements to your product or service. In addition to generating reconstructions of complex axons and dendrites toward full neuron morphology as shown above, we also applied CAR to produce other types of digital reconstructions involving substructures of neurons at the whole-brain scale. One illustrative example is our application of CAR to detect somas in mouse brains. These users were able to fine-tune the soma locations in real time, cross-validated the results and completed annotation of each image block within a few seconds.

Semantic-enhanced machine learning tools are vital natural language processing components that boost decision-making and improve the overall customer experience. 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.

The semantic analysis process begins by studying and analyzing the dictionary definitions and meanings of individual words also referred to as lexical semantics. Following this, the relationship between words in a sentence is examined to provide clear understanding of the context. Semantic analysis is defined as a process of understanding natural language (text) by extracting insightful information such as context, emotions, and sentiments from unstructured data. This article explains the fundamentals of semantic analysis, how it works, examples, and the top five semantic analysis applications in 2022. One example of how AI is being leveraged for NLP purposes is Google’s BERT algorithm which was released in 2018. BERT stands for “Bidirectional Encoder Representations from Transformers” and is a deep learning model designed specifically for understanding natural language queries.

The analysis can segregate tickets based on their content, such as map data-related issues, and deliver them to the respective teams to handle. The platform allows Uber to streamline and optimize the map data triggering the ticket. Semantic analysis helps fine-tune the search engine optimization (SEO) strategy by allowing companies to analyze and decode users’ searches. The approach helps deliver optimized and suitable content to the users, thereby boosting traffic and improving result relevance. Consider the task of text summarization which is used to create digestible chunks of information from large quantities of text.

However, it is useful to validate results produced by AI models with human annotations. The framework of CAR further facilitates extension in the future by integrating more collaborating components such as AI-based skeletonization or fragment-connecting or consensus-generation algorithms. Specifically, we used the CAR-Mobile client to accurately identify 156,190 somas within approximately 4 weeks, involving collaboration among 30 users (23 trained users and seven novice annotators) (Fig. 5a).

To analyze NTH values and the distribution and amount of axons in brain-wide targets, morphological data are examined and processed to ensure compatibility for downstream analysis. A single connected neuronal tree with the root node as the soma is obtained. Mouse neurons are then resampled and registered to CCFv3 using mBrainAligner58. The boutons and the corresponding morphology results are integrated into CAR-Mobile clients for rendering.

semantic analysis definition

Finally, there are various methods for validating your AI/NLP models such as cross validation techniques or simulation-based approaches which help ensure that your models are performing accurately across different datasets or scenarios. By taking these steps you can better understand how accurate your model is and adjust accordingly if needed before deploying it into production systems. Here, the aim is to study the structure of a text, which is then broken down into several words or expressions. Moreover, QuestionPro might connect with other specialized semantic analysis tools or NLP platforms, depending on its integrations or APIs. This integration could enhance the analysis by leveraging more advanced semantic processing capabilities from external tools. Semantic analysis systems are used by more than just B2B and B2C companies to improve the customer experience.

The signal complexity of each cube is defined as the mean value of the foreground voxel intensity divided by the mean value of the background voxel intensity. Additionally, by uniformly converting the signal complexity values into the range of (0, 255), we can generate a specialized 3D image that visually represents the signal complexity of the original image. Local structural complexity is a measure employed to quantify the intricacy of neuronal dendritic architecture within a specific region. Initially, a cuboid region with dimensions of 20 × 20 × 20 μm3 is defined as a bounding box surrounding each neuron node. We focus on identifying distinct users and assign a color-shading-level attribute to each node based on the count of users. Darker colors signify higher attention levels, indicating increased user contributions to either the addition or the modification of the neuron segment.

One key feature of CAR is to augment the throughput of neuron reconstruction using two AI tools based on convolutional neural networks (Fig. 3 and Supplementary Fig. 7). First, a branching point verifier (BPV) was developed to determine whether the branching points in a reconstruction correspond to real bifurcation loci in the imaging data (Supplementary Fig. 7a). BPV combines the advantages of attention mechanism and residual blocks to extract distinctive neuronal image features. Second, a terminal point verifier (TPV) was designed to identify potential interruption in tracing neurites by classifying real neurite terminals against potential early termination in tracing (Supplementary Fig. 7b). To better distinguish terminal points and breakpoints that share similar features, TPV allows the network to learn more distinctive features.

For example, once a machine learning model has been trained on a massive amount of information, it can use that knowledge to examine a new piece of written work and identify critical ideas and connections. Machine Learning has not only enhanced the accuracy of semantic analysis but has also paved the way for scalable, real-time analysis of vast textual datasets. As the field of ML continues to evolve, it’s anticipated that machine learning tools and its integration with semantic analysis will yield even more refined and accurate insights into human language.

The current convention for obtaining accurate neuronal reconstructions on a large scale primarily relies on manual labor-dominant methods5,6,7. While some attempts have integrated multiple repeated annotations for the purposes of correcting potential subjective errors from individual annotators and achieving higher precision, the overall efficiency could still be improved23,24,25. Despite a number of successes in automated neuron tracing, the majority of automation has only been applied to fairly simple use cases in which the signal-to-noise ratio is high or the entirety of neurite signal is not required to be traced17. Indeed, as the community has recognized that there is no single best algorithm for all possible light microscopy neuronal images26,27, careful evaluation of automated tracings must be cross-validated before they may acclaim biological relevance18.

semantic analysis definition

CAR’s cloud server manages centralizing operations, synchronizing annotation data and resolving any conflicts that may arise (Fig. 1a). All data, including 3D microscopic brain images and reconstructed neuron morphology, are hosted in cloud storage; therefore, users do not need to maintain data locally at CAR clients. We found that the CAR server was capable of handling large numbers of users and message streams in real time. Indeed, the CAR server responded within 0.27 ms even for 10,000 concurrent messages (Fig. 1c). From the online store to the physical store, more and more companies want to measure the satisfaction of their customers.

For the five most annotated brains, the annotation of each soma took only 5.5 s on average (Supplementary Fig. 10). Research on the user experience (UX) consists of studying the needs and uses of a target population towards a product or service. Using semantic analysis in the context of a UX study, therefore, consists in extracting the meaning of the corpus of the survey.

semantic analysis definition

Relationship extraction is a procedure used to determine the semantic relationship between words in a text. In semantic analysis, relationships include various entities, such as an individual’s name, place, company, designation, etc. Moreover, semantic categories such as, ‘is the chairman of,’ ‘main branch located a’’, ‘stays at,’ and others connect the above entities.

Understanding the results of a UX study with accuracy and precision allows you to know, in detail, your customer avatar as well as their behaviors (predicted and/or proven ). This data is the starting point for any strategic plan (product, sales, marketing, etc.). This website is using a security service to protect itself from online attacks. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data.

You can foun additiona information about ai customer service and artificial intelligence and NLP. Search engines can provide more relevant results by understanding user queries better, considering the context and meaning rather than just keywords. Indeed, discovering a chatbot capable of understanding emotional intent or a voice bot’s discerning tone might seem like a sci-fi concept. Semantic analysis, the engine behind these advancements, dives into the meaning embedded in the text, unraveling emotional nuances and intended messages.

We believe that the ultimate achievement of large-scale neuron morphology production will entail harnessing automation algorithms and increasingly powerful computing hardware to augment data-production rates within specified time frames. To reach such a semantic analysis definition goal, we considered practical challenges that must be surmounted. It is imperative to exercise caution to prevent unintentional compromise of these structures throughout tracing and preliminary processing steps, such as image preprocessing28,29,30,31.

Each element is designated a grammatical role, and the whole structure is processed to cut down on any confusion caused by ambiguous words having multiple meanings. This technology is already in use and is analysing the emotion and meaning of exchanges between humans and machines. Read on to find out more about this semantic analysis and its applications for customer service. The amount and types of information can make it difficult for your company to obtain the knowledge you need to help the business run efficiently, so it is important to know how to use semantic analysis and why. Using semantic analysis to acquire structured information can help you shape your business’s future, especially in customer service. In this field, semantic analysis allows options for faster responses, leading to faster resolutions for problems.

We can take the same approach when FOL is tricky, such as using equality to say that “there exists only one” of something. Figure 5.12 shows the arguments and results for several special functions that we might use to make a semantics for sentences based on logic more compositional. Second, it is useful to know what types of events or states are being mentioned and their semantic roles, which is determined by our understanding of verbs and their senses, including their required arguments and typical modifiers. For example, the sentence “The duck ate a bug.” describes an eating event that involved a duck as eater and a bug as the thing that was eaten. These correspond to individuals or sets of individuals in the real world, that are specified using (possibly complex) quantifiers.

As such, Cdiscount was able to implement actions aiming to reinforce the conditions around product returns and deliveries (two criteria mentioned often in customer feedback). Since then, the company enjoys more satisfied customers and less frustration. This can be done by collecting text from various sources such as books, articles, and websites. You will also need to label each piece of text so that the AI/NLP model knows how to interpret it correctly. Ultimately, semantic analysis is an excellent way of guiding marketing actions. As well as having to understand the user’s intention, these technologies also have to render content on their own.

Additionally, a BaseModel class is incorporated for model initialization and invocation. This modular design supports the integration of future algorithms and models, and it addresses the processing and the transformation of model output data. CAR offers a flexible collaboration framework, based on which a team of users can choose to use a range of clients to reconstruct neurons collaboratively. While there is not a fixed procedure or protocol for the task of neuron reconstruction using CAR, an illustrative workflow is given in Extended Data Fig. Improved conversion rates, better knowledge of the market… The virtues of the semantic analysis of qualitative studies are numerous. Used wisely, it makes it possible to segment customers into several targets and to understand their psychology.

We focused on representative neuron types in the mouse brain, with the cell bodies situated in 20 anatomical regions corresponding to major functional areas, including the cortex, the thalamus and the striatum (Fig. 2a). These neurons form a broad coverage in the brain with often long axons (Fig. 2a). They also have variable 3D morphology in terms of projection target areas, projection length (about 1.90 cm to 11.19 cm) and complexity in their arbors (with about 300 to 1,300 bifurcations) (Fig. 2a). With the aid of CAR, we achieved reconstruction accuracy of over 90% for all test neurons (Fig. 2a), accomplished with the collaborative efforts of citizen scientists and validated by additional expert gatekeepers.

Their combined effort yielded an accuracy rate of approximately 91% (Supplementary Fig. 8). Thibault is fascinated by the power of UX, especially user research and nowadays the UX for Good principles. As an entrepreneur, he’s a huge fan of liberated company principles, where teammates give the best through creativity without constraints. A science-fiction lover, he remains the only human being believing that Andy Weir’s ‘The Martian’ is a how-to guide for entrepreneurs. A beginning of semantic analysis coupled with automatic transcription, here during a Proof of Concept with Spoke. Once the study has been administered, the data must be processed with a reliable system.

The study underscores the idea that a group’s collective intelligence is not solely tethered to the individual intelligence of its members. These findings carry substantial implications for comprehending group dynamics and efficacy. When we developed CAR, we noted that drawing a comparison between crowd wisdom and individual decision making could yield several key insights. While individual decision making can be susceptible to biases and a limited perspective, crowd wisdom amalgamates diverse viewpoints, mitigating individual biases and offering a more encompassing perspective conducive to accurate judgments and solutions. However, we also note that crowd wisdom does not guarantee superior outcomes across all scenarios.

Uber strategically analyzes user sentiments by closely monitoring social networks when rolling out new app versions. This practice, known as “social listening,” involves gauging user satisfaction or dissatisfaction through social media channels. Learn more about how semantic analysis can help you further your computer NSL knowledge. Check out the Natural Language Processing and Capstone Assignment from the University of California, Irvine. Or, delve deeper into the subject by complexing the Natural Language Processing Specialization from DeepLearning.AI—both available on Coursera. The consensus of four reconstructions generated by Vaa3D and SNT for each image is calculated using the ‘consensus_skeleton_2’ algorithm from the BigNeuron project18.

There is no notion of implication and there are no explicit variables, allowing inference to be highly optimized and efficient. Instead, inferences are implemented using structure matching and subsumption among complex concepts. One concept will subsume all other concepts that include the same, or more specific versions of, its constraints. These processes are made more efficient by first normalizing all the concept definitions so that constraints appear in a  canonical order and any information about a particular role is merged together.

However, the linguistic complexity of biomedical vocabulary makes the detection and prediction of biomedical entities such as diseases, genes, species, chemical, etc. even more challenging than general domain NER. The challenge is often compounded by insufficient sequence labeling, large-scale labeled training data and domain knowledge. Currently, there are several variations of the BERT pre-trained language model, including BlueBERT, BioBERT, and PubMedBERT, that have applied to BioNER tasks. The field of natural language processing is still relatively new, and as such, there are a number of challenges that must be overcome in order to build robust NLP systems. Different words can have different meanings in different contexts, which makes it difficult for machines to understand them correctly. Furthermore, humans often use slang or colloquialisms that machines find difficult to comprehend.

At the end of most chapters, there is a list of further readings and discussion or homework exercises. These are time-saving and expeditious for the busy instructor, as well as will be helpful to them in regard to built-in opportunities to assess student comprehension, opportunities for reflection and critical thinking, and to assess teaching effectiveness. These activities are helpful to students by reinforcing and verifying understanding. As an introductory text, this book provides a broad range of topics and includes an extensive range of terminology. This text seems to be written in a manner that is accessible to a broad readership, upper level undergraduate to graduate level readers.