The paper contains an overview of stock quotations prediction methods related to Artificial Intelligence domain. A prediction system which uses stock quotations and newspaper articles related to a company is presented.

Quotation extraction is an important information extraction task, especially when dealing with news wires. Quotations can be found in various configurations. In this paper, we focus on direct quotations introduced by a parenthetical clause, headed by a “quotation verb”. Our study is based on a large French news wire corpus from the Agence France-Presse. We introduce and motivate an analysis at ...

Quotations have been introduced in the very rst versions of ML 6] in order to represent propositions in the LCF logic under a concrete form. ML was the metalanguage of this logic, and the logic was its object language. In this paper, we describe a new implementation of quotations in a variant of Caml-Light 8]. We address several important problems, namely the impact of such a mechanism on the d...