Specialized search engines focus on a particular topic or category
Refer to link below more info
Horizontal search engines are general-purpose search engines such as Google and Yahoo. Vertical search engines, meanwhile, are specialized by content such as Trulia, Mocavo and Yelp.
Over 70,000 worldwide. Many are specialized.
Specialized search tools are search engines or software designed to retrieve specific types of information from a particular domain or field, such as academic research, job listings, medical data, or legal documents. These tools offer more focused and tailored search results compared to general search engines like Google.
There are two types of search engines 1. Hybrid search engines 2. Meta search engines
Spider-Based Search Engines. Directory-Based Search Engines. Link-Based Search Engines.
There are primarily three types of search engines: traditional search engines, vertical search engines, and meta-search engines. Traditional search engines like Google and Bing index the entire web and return results based on algorithms. Vertical search engines focus on specific niches or industries, such as medical or academic searches. Meta-search engines aggregate results from multiple search engines to provide a broader range of information.
name five search engines
It is where you can search anything you wanted to. Yahoo ang Google are example of search engines.
you dont, thats why they are crawler search engines.
Discovery
Crawler based search engines such as google .com HUman powered directories and Hybrid search engines
Yes there is search engines for assets. Just google it on google and you can find some many search engines for assets.