Sentence examples for free text queries from inspiring English sources
For either Boolean or free text queries, you always want to do the exact same tokenization of document and query words, generally by processing queries with the same tokenizer.
Indeed, experimenting on a Westlaw subcollection, Turtle (1994) found that free text queries produced better results than Boolean queries prepared by Westlaw's own reference librarians for the majority of the information needs in his experiments.
The Boolean retrieval model contrasts with ranked retrieval models such as the vector space model (Section 6.3 ), in which users largely use free text queries, that is, just typing one or more words rather than using a precise language with operators for building up query expressions, and the system decides which documents best satisfy the query.
Beginning Section 6.2 we will in fact relax the requirement of matching specific regions of a document; instead, we will look at so-called free text queries that simply consist of query terms with no specification on their relative order, importance or where in a document they should be found.
The easiest way to query the database is by formulating case insensitive free text queries.
Free text queries for individual nodes can also be sent to UMLS or to a database containing SNOMED CT tables if locally available.
In a typical setting we have a collection of documents each represented by a vector, a free text query represented by a vector, and a positive integer.
Although the main web search engines differ by emphasizing free text querying, most of the basic issues and technologies of indexing and querying remain the same, as we will see in later chapters.
SciMiner accepts a free text query (PubMed Entrez search) or a list of PubMed identifiers as input.
On the contrary, the free text query had high recall, meaning that many irrelevant tools were exported.
The free text query was implemented by inserting in the query interface of the tools repository the whole clinical question as a query of free text.
