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This paper aim is to make a comparison between two nomadic markets of the metropolitan area of Toluca, México. It shows the origin of each one of the products that are exchanged in these markets and the forms of articulation of urban and country or indigenous economies, contrasting them with global markets. This work recognizes the importance of street markets in the supply and demand economical cycle, which tendency, is to consider only supermarkets and elite markets into the economical competition rates of a city. Street markets are commonly left behind, but for societies like Toluca, they represent a common place of recognition and gathering processes. Tianguis (as in the pre-Hispanic word) from Toluca and Ixtlahuaca are been analyzed in this article. [ABSTRACT FROM AUTHOR]

The paper, which is part of a parallel study between Mexico and Spain, analyzes the environmental information requests that are made by users in the Spanish public sector bodies. Furthermore, a webcrawler, which was designed for this purpose, analyzes many parameters of the information displayed on the website of 30 environmental public bodies such as the number of documents, providers, types of environmental information, document formats ... Results highlight the use of metatags instead of metadata and descriptor analysis shows a lack of relationship between the requests and the descriptors which are used to identify such information on the Web. [ABSTRACT FROM AUTHOR]