We argue that for a personal agent working within a Semantic Web framework, machine learning is essential. We identify two topologies in the Semantic Web, and refer to these as: (1) semantic forests (disjoint trees) and (2) true semantic webs (complex interconnected graphs). An example of (1) is Citeseer BibTeX mapped to RDF; an example of (2) is FOAF, an RDF representation of people and their ...

Many of Florida’s springs and spring runs are enriched in nitrate due to broad-scale contamination of groundwater supplies. This observation fosters two primary and interrelated concerns regarding the effects of nutrients on flora and fauna in spring systems. High nitrate concentrations can affect fauna directly through toxicity. In addition, high nitrate concentrations can promote eutrophicati...

linear green infrastructures along rivers and canals serve different functions: green corridors, or ecological network, maintain biological diversity, improve water quality, and provide areas for fauna and flora to grow and thrive. greenways connect people with landscape resources and serve as recreational areasthat are easy to use and accessible to the greatest number of potential human users....

Boujagh National Park is the first founded land-marine national park in Iran and the first national park in Gilan Province, N. Iran. This area is a critical refuge for a lot of migratory birds and so many valuable coastal flora and fauna. The present study revealed that, the flora of this area comprises 248 vascular plants and 10 bryophytes out of which six taxa are endemic for the flora of Ira...