Information retrieval

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  • The Semantic Gap

    difference between human perception of observations, activities, and objects and their computational or machine-based representations(). It is a split between high level features, or semantic information, and low-level features, of which there are many types. High-level features can include keywords, concepts, categories, or ontologies - virtually all things that lead to determining meanings of text-based information and phrases. Low-level features can include color, texture, resolution, encoding, salient points, etc. which are all measurable aspects of content-based information, or non-text information, such as images and videos. The spread of multimedia on the web is widening…

    Words: 1894 - Pages: 8
  • Public Libraries

    and constant. In order to stay relevant, public libraries must understand and embrace change and new technologies. Public library spaces will continue to be reinvented in order to better meet the needs of users. But where the most amount of change is expected is in digital content. As the library changes, the catalog must change. These changes need to consider not just current needs but the future needs of library users. More and more users are relying on Internet search engines such as Google…

    Words: 1672 - Pages: 7
  • Examples Of Query Likening Model In IR

    Score_{QLM}(q,d) = P_{QLM} (q/LM_{d}) = frac{L_{d}!}{displaystyle prod_{t in q} tf_{t,d}!} displaystyle prod_{t in q} P(t/LM_{d})^{tf_{t,q}} end{equation} where ${L_{d}!}/{displaystyle prod_{t in q} tf_{t,d}!}$ is the multinomial coefficient for the query $q$, which also static for the same query. $P(t/LM_{d})$ is the probability of query term $t$ given the document language model $LM_{d}$, whereas $tf_{t,d}$ denotes the term frequency of the query term $t$ in the document $d$.…

    Words: 930 - Pages: 4
  • Fuzzy Logic Case Study

    CHAPTER 4 IMPLICIT RELATIONS ON WIKIPEDIA USING ASSOCIATION LINK NETWORK Finding the semantic similarity, use the Fuzzy Cognitive Mapping Daniel (2009). Fuzzy logic is a form of much logical value. Compared to traditional binary sets fuzzy logic variables may have a truth value that ranges in degree between -1 and 1. Fuzzy logic has been extended to handle the concept of partial truth, where the truth value may range between completely true and completely false. A…

    Words: 997 - Pages: 4
  • Mongodb Case Study

    Caution No blank lines is allowed in the MongoDB Script Sampler. If there is a blank line after MongoDB statement, the statement will still be executed but the word “ok” will be displayed in the response. Add new document into the collection Step 1 Change the “Script” area of the MongoDB Script sampler with insert query. In this case, the query of adding document into the collection is shown as follows: db.getCollection('zips').insert({"city" : "BABYLON", "loc" : [ 32.211100, 44.251500 ],…

    Words: 253 - Pages: 2
  • Database Management And Information Retrieval System Case Study

    1.0 QUESTION 1 Differentiate between database management system and information retrieval system by focusing on their functionalities. DATABASE MANAGEMENT SYSTEM INFORMATION RETRIEVAL SYSTEM DEFINITION A software system that enables the computer to do the database functions such as storing, retrieving, adding, deleting, and modifying data A built-in user interface that carry the activity of obtaining information resource from a collection of information stored EXAMPLE Microsoft Access, MySQL,…

    Words: 1607 - Pages: 7
  • Digital Discourse

    Intertwined to make a tangled web, spider silk incorporates a special stickiness to trap unsuspecting prey. Much like a spider’s web, social media captures people of all ages in the digital world of communication. Social media remains a platform for participation on the internet in which kids, teenagers, and adults publish information regarding a variety of topics. Yet, all social media platforms- Twitter, Instagram, Facebook, Blogs, etc.- are simply threads in a larger web of digital…

    Words: 1093 - Pages: 5
  • Communication Skills: Paraphrasing Relationships

    Skills Paper (Draft) As a married woman, I know all to well how communication can affect your relationship with your partner or significant other. While communication skills are vital towards a lasting relationship, effective communication is a necessity with everyone you may encounter. Communication is the foundation for which all cultures, despite age or gender, convey messages through nonverbal or verbal cues. What you say, or don’t say, will have a significant impact on how your message is…

    Words: 785 - Pages: 4
  • Social Media Social Disaster Case Study

    and situational factors, influence the ways in which information is provided and interpreted (Savolainen, 2015). The HR department of an organization should implement guidelines for the use of social media. Because of the potential legal and security issues, HR should provide rules that follow the EEOC laws. HR should address the sensitive topics of discrimination and sexual harassment. Organizations should not limit the social media hours of access. Because of the global workforce and…

    Words: 969 - Pages: 4
  • Discourse Group Analysis: Norfolk Summer Leadership Camp

    Communication is something we do every day. Writing a text message to your Mom is very different from responding to an email from your boss. Both require a different tone and a different level of formality or informality. Identifying when it is appropriate to use a certain tone of communication is vital when trying to get your point across effectively. When I am in my family and friends discourse group the setting is very informal and casual. It is not uncommon for one of us to end a text…

    Words: 719 - Pages: 3
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