Without knowing how pattern1 and pattern2 are defined, it's impossible to say whether the following are ambiguous:. This difficulty requires that if you wish to create unambiguous schemas, you must study the contents of schemas you want to include very carefully. Another source of ambiguity occurs when name classes overlap when used as different alternatives of a choice.
An example of such overlap is:. This example is ambiguous because the name class anyName includes the name class matching the name foo. An element foo is valid in both branches of the choice pattern.
The except name class can prevent name class ambiguity, because it lets you remove the overlap from one of the alternatives. This pattern can easily be rewritten as an ambiguous choice pattern:. This example isn't ambiguous because the content model of the elements with the two name classes don't overlap. This makes the bar attribute optional:. This code is enough to make our pattern ambiguous. However, this pattern is strictly equivalent to the preceding example, which means that you know how to rewrite it in an unambiguous way.
Finally, note that name class ambiguity may be considered as an extension of regular hedge grammar ambiguity. If, after simplification, to create a regular hedge grammar ambiguity, you have:.
The difficulty doesn't come from RELAX NG itself, but rather from the fact that datatype libraries aren't built-in and are more opaque and less flexible than other patterns or name classes.
Because the lexical space of the two possible datatypes do overlap 0 and 1 are valid as both W3C XML Schema booleans and integers , there is no way to determine what the datatype is for a foo element with a value of 0 or 1. Fortunately, the except operator makes it possible to remove the lexical space of one datatype from the lexical space of another datatype:.
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Sign up. New issue. Jump to bottom. While the Row Player randomises between her strategies, the Column Player shows a marked preference for avoiding ambiguity and choosing his ambiguity-safe strategy. Thus, the results provide evidence that ambiguity influences behaviour in the games. One surprising feature of the results was that the links between choices in the single person decision and those in the games was not strong.
Subjects appeared to perceive a greater level of ambiguity in a two-person coordination game, than a single person decision problem. More generally the results suggested that perceptions of ambiguity and even attitudes to ambiguity depend on context.
Hence it may not be possible to measure ambiguity-attitude in one context and use it to predict behaviour in another. From Wikipedia, the free encyclopedia. Preference of known risks to unknown risks. Journal of Mathematical Economics. Subjective probability and expected utility without additivity. Econometrica: Journal of the Econometric Society, Theory and Decision. Working through one more error but that seems to have been the cause of the other Active Oldest Votes.
First option is to make sure you are connected to your Source Control Online. This issue can occur when your offline mode. Right click on the solution and select Go Online if your offline. This will undo all the pending changes for the edmx and the associated generated files. Delete the changed table from the edmx and add it again. Build your solution. A simple "Go online" fixed it all. View all Ancient History worksheets.
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View all inventor worksheets. View all athlete worksheets. View all civil rights worksheets. View all natural wonders worksheets. LogicStuff Rob Rolnick Rob Rolnick 7, 2 2 gold badges 25 25 silver badges 17 17 bronze badges. Active Oldest Votes. Leon Timmermans Leon Timmermans Richard Corden Richard Corden I've heard about this before. Stewart: It's the former context-sensitive lexing. To summarise,Difference from risk aversion. The distinction between ambiguity aversion and risk aversion is important but subtle. Risk aversion comes from a situation where a probability can be assigned to each possible outcome of a situation and it is defined by the preference between a risky alternative and its expected lemnterszantfibtipa.celcountmentingtorchahardtirantifimost.coity aversion applies to a situation when the probabilities of outcomes.