|
Free Google Custom Search The Google Custom Search provides a search service for the free Preview Pages only. This service is provided for non-subscribers wishing to preview our service before signing up as a paying subscriber. E-Yearbook Search for Members E-Yearbook.com offers advanced searching capabilities of yearbook contents through two types of searches; Quick Search and Advanced Search. Both searches offer a powerful set of tools with which data can be requested and presented to the user. To use these search capabilities simply click on the school name for the collection you wish to search and then click on the links for "Quick Search" or "Advanced Search". Keywords A query is broken up into terms and operators. There are two types of terms: Single Terms and Phrases. A Single Term is a single word such as "test" or "hello". A Phrase is a group of words surrounded by double quotes such as "hello dolly". Multiple terms can be combined together with Boolean operators to form a more complex query (see below). Keyword Modifiers Several types of modifiers can be applied to each keyword to optimize the query. Wildcard Searches Single and multiple character wildcard searches are supported. To perform a single character wildcard search use the "?" symbol. To perform a multiple character wildcard search use the "*" symbol. The single character wildcard search looks for terms that match that with the single character replaced. For example, to search for "text" or "test" you can use the search: "te?t" Multiple character wildcard searches looks for 0 or more characters. For example,to search for test, tests or tester, you can use the search: "test*" You can also use the wildcard searches in the middle of a term: "te*t" Note: You cannot use a * or ? symbol as the first character of a search. Fuzzy Searches Fuzzy searches are supported based on the Levenshtein Distance, or Edit Distance algorithm. To do a fuzzy search use the tilde, "~", symbol at the end of a Single word Term. For example to search for a term similar in spelling to "test" use the fuzzy search: "test~" Proximity Searches Proximity searches support finding words that are within a specific distance away. To do a proximity search use the tilde, "~", symbol at the end of a Phrase. For example to search for a "apache" and "jakarta" within 10 words of each other in a document use the search: 'apache jakarta'~10 Boosting Search Keywords Boosting can modify the relevance level of matching documents based on the terms found. To boost a term use the caret, "^", symbol with a boost factor (a number) at the end of the term you are searching. The higher the boost factor, the more relevant the term will be. Boosting allows you to control the relevance of a document by boosting its term. For example, if you are searching for "baseball john" and you want to make "baseball" more important than john boost it using the ^ symbol along with the boost factor next to the term. "baseball^4 john". This will make documents with the term baseball appear more relevant. You can also boost Phrase Terms as in the example: 'baseball john'^4 By default, the boost factor is 1. Although the boost factor must be positive, it can be less than 1 (e.g. 0.2) Boolean Operators Boolean operators allow terms to be combined through logic operators. Lucene supports AND, "+", OR, NOT and "-" as Boolean operators(Note: Boolean operators must be ALL CAPS). OR The OR operator is the default conjunction operator. This means that if there is no Boolean operator between two terms, the OR operator is used. The OR operator links two terms and finds a matching document if either of the terms exist in a document. This is equivalent to a union using sets. The symbol || can be used in place of the word OR. To search for documents that contain either "baseball" or "john" use the query: "baseball john" or "baseball OR john" AND The AND operator matches documents where both terms exist anywhere in the text of a single document. This is equivalent to an intersection using sets. The symbol && can be used in place of the word AND. To search for documents that contain "baseball" and "john" use the query: "baseball AND john" + The "+" or required operator requires that the term after the "+" symbol exist somewhere in a single document. To search for documents that must contain "baseball" and may contain "john" use the query: "+baseball john" NOT The NOT operator excludes documents that contain the term after NOT. This is equivalent to a difference using sets. The symbol ! can be used in place of the word NOT. To search for documents that contain "baseball" but not "john" use the query: "baseball NOT john" Note: The NOT operator cannot be used with just one term. - The "-" or prohibit operator excludes documents that contain the term after the "-" symbol. To search for pages that contain "baseball" but not "john" use the query: "baseball -john" Grouping Searches support using parentheses to group clauses to form sub queries. This can be very useful if you want to control the boolean logic for a query. To search for either "baseball" or "john" and "coach" use the query: "(baseball john) AND coach)" |