Multi-line Analysis of Stellar Spectra in the VO Environment
  Despite the lack of important functions supported only by legacy applications, the current VO-compatible tools have enough capabilities to allow powerful analysis of stellar spectra using both public archives and local proprietary data. We give examples of the possible multi-wavelength analysis of changes of profiles in different spectral lines using the current SSAP-compatible VO tools. The potential of future VO applications supporting more elaborate methods for stellar analysis is discussed as well. 
Petr \v{S}koda
astro-ph.IM