0 a word that you type into a computer so that the computer will find information that contains that word -- 关键词
It is problems like this with keyword-based search that are driving the quest for semantic search engines.
A module begins with a header: the keyword module, the module name, and a list of entities (enclosed in round parentheses) to be exported.
A search of papers containing the keyword "bilingualism" in the 20 years between 1985 and 2005 indicates a dramatic increase in this trend.
We then review the four modes of user interaction in existing semantic search systems, namely keyword-based, form-based, view-based and natural language-based systems.
The keyword partes especially is evenly spread out in the treatise, regularly reminding the reader in case they have forgotten.
The layout (or "off-side") rule takes effect whenever the open brace is omitted after the keyword where, let, do, or of.
The success, or otherwise, of the search depends only on the choice of keyword and how the search algorithm processes it.
Most keyword-based search systems index a document with a list of keywords ranked with relevance weightings.
