🔍🔍🔍 BÚSQUEDA AVANZADA GOOGLE - BUSQUEDA GOOGLE AVANZADA - 3RA PARTE APRENDER A INVESTIGAR

How to Improve Google Search Using Negation and Disjunction

Understanding Negation in Google Searches

• The video introduces techniques for better searching on Google, focusing on negation and disjunction.

• Negation involves removing a condition from a set; for example, excluding yellow objects from a search about houses.

• When negating the set of houses, only non-yellow items remain visible in the results.

• The function of negation is to eliminate unwanted search terms, enhancing the relevance of search results.

• A practical demonstration begins with a search for "ingeniería electrónica," showing how to apply negation effectively.

Practical Application of Negation

• The initial search yields 43,200 results; applying negation by excluding specific terms can refine these results significantly.

• To remove pages containing "una," the user places it in quotes and adds a minus sign before it, demonstrating effective term exclusion.

• After applying this negation, the most popular result disappears, showcasing how targeted searches can reduce irrelevant content.

• Further examples illustrate that excluding terms like "carrera" drastically reduces total results from 40,000 to 15,400.

• Users are encouraged to use negation strategically to filter out common but unwanted sources (e.g., Wikipedia).

Introduction to Disjunction in Searches

• Transitioning from negation, the video explains disjunction as an alternative method for broadening searches using "or."

• Disjunction allows users to include multiple terms in their searches simultaneously (e.g., houses or yellow objects).

• An example demonstrates how using "OR" expands search results significantly by combining different queries into one.

Applying Disjunction Effectively

• The presenter shows how typing names like “Iván Duque” or “Manuel Santos” with "OR" retrieves comprehensive results related to both individuals.

• This method generates millions of results by including any page mentioning either name or both together.

• Results are displayed based on popularity rather than order of entry; thus users see varied information efficiently.

How to Improve Your Internet Searches

Techniques for Enhanced Search Results

• Utilizing synonyms can significantly broaden search results. For instance, the term "car" may also be referred to as "coche" in different regions, yielding millions of results that include variations like "coches," "carros," and more.

• The use of quotation marks around specific terms restricts the search to exact phrases, while omitting them allows for synonyms. This technique is crucial for finding relevant information effectively.

• Four key strategies are introduced to refine searches:

• Quotation marks for precise searches.

• The plus sign (+) to add additional search terms.

• The minus sign (-) to exclude certain terms from results.

• The OR operator to search for one term or another.

Practical Application of Search Techniques

• An example is provided where a user searches for “electronic engineering” or “psychology” in Manizales while excluding results from the National University. This demonstrates how combining these techniques can yield targeted outcomes.

• In this scenario, the search successfully returns results related to electronic engineering in Manizales but excludes psychology and any mention of the National University, showcasing effective filtering.

Conclusion on Search Efficiency

• By mastering these four tricks and mixing them as needed, users can drastically reduce their time spent searching online while significantly improving the quality of information retrieved.