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Yahoo! Answers: 2005: 2021: All topics: 13 languages: Contributions owned by the author. Yahoo retains rights to the use, distribution or modification. [12] No Zhihu: 2011 — Many topics: Chinese and a few others: Owned and operated by the original authors. Yes, except to view answers of questions when directed from search engine
There is no free lunch in search if and only if the distribution on objective functions is invariant under permutation of the space of candidate solutions. [5] [6] [7] This condition does not hold precisely in practice, [6] but an "(almost) no free lunch" theorem suggests that it holds approximately. [8]
Free response tests are a relatively effective test of higher-level reasoning, as the format requires test-takers to provide more of their reasoning in the answer than multiple choice questions. [4] Students, however, report higher levels of anxiety when taking essay questions as compared to short-response or multiple choice exams. [5]
At the moment I don't know of any non-free search engines to free content, except WebofKnowledge's Web CitationIndex,) Queries: terminology for qualifiers--indexes are not OA, they are either free or subscription, but journal articles are either OA or subscription)
The class of questions where an answer can be verified in polynomial time is "NP", standing for "nondeterministic polynomial time". [Note 1] An answer to the P versus NP question would determine whether problems that can be verified in polynomial time can also be solved in polynomial time.
Fixed centering of text for long word-wrapped question answers This was the last version of ToolBook Assistant, now retired: 2008 ToolBook 9.5; License Key product activation technology added PowerPoint conversion added TBKX (ToolBook XML) file format introduced Voice Recording added PNG image support Certificate catalog category added
Queries for each label return more specific name servers until a name server returns the answer of the original query. In practice, most of this information does not change very often over a period of hours and therefore it is cached by intermediate name servers or by a name cache built into the user's application. DNS lookups to the root name ...
Ideally, the article would have a citation that included an external link, so that you yourself can verify the information in the article. But if no external link provides an answer, even in the "External links" section, then information about the editor can help you decide what to do. Start by looking at the link to the user talk page.