ˆ‹Î·ÈÔ 6
6.2 ÃÂÎÎÔÌÙÈÍ›Ú Í·ÙÂıË˝ÌÛÂÈÚ
√È· ÙÁÌ ÙÂÎÂÈÔÔflÁÛÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ Ôı ·Ì·Ù˝˜ËÁÍ ÛÙÁÌ ·ÒÔ˝Û· ÂÒ„·Ûfl·
ı‹Ò˜ÂÈ ›Ì·Ú ·ÒÈËÏ¸Ú ÂÂÍÙ‹Û¢Ì, ÔÈ ÔÔflÂÚ ÏÔÒÔ˝Ì Ì· ıÎÔÔÈÁËÔ˝Ì ÛÙÔ Ï›ÎÎÔÌ.
6.2.1 ƒÈ·ÎÔ„ÈÍfi ÂÌÁÏ›Ò˘ÛÁ ÙÔı ÏÔÌÙ›ÎÔı ·ÒÔıÛfl·ÛÁÚ
∏Ì· ‚·ÛÈ͸ ÏÂÈÔÌ›ÍÙÁÏ· ÙÁÚ ·ÒÔ˝Û·Ú ÂÒ„·Ûfl·Ú ÂflÌ·È ¸ÙÈ Á ‰ÁÏÈÔıÒ„fl· Í·È Á ÂÌÁÏ›Ò˘ÛÁ ÙÔı ÏÔÌÙ›ÎÔı ·ÒÔıÛfl·ÛÁÚ ‰ÂÌ „flÌÂÙ·È Ï ÙÒ¸Ô ‰È·ÎÔ„È͸ (interactive).
≈ÔÏ›Ì˘Ú, ÙÔ Ò˛ÙÔ ‚fiÏ· „È· ÙÁÌ ÙÂÎÂÈÔÔflÁÛÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ Ôı ıÎÔÔÈfiËÁÍ ÂflÌ·È Á Í·Ù·ÛÍÂıfi ÂÌ¸Ú ÂÒ„·ÎÂflÔı „È· ÙÁ ‰È·ÎÔ„ÈÍfi ÂÌÁÏ›Ò˘ÛÁ ÙÔı ÏÔÌÙ›ÎÔı ·ÒÔıÛfl·ÛÁÚ.
≈Âȉfi ÙÔ Û˝ÛÙÁÏ· Ôı ÂÒÈ„Ò‹ˆÁÍ ˜ÒÁÛÈÏÔÔÈÂfl ÙÔÌ –·„͸ÛÏÈÔ …ÛÙ¸ ˘Ú ‰ÈÂȈ‹ÌÂÈ·
˜ÒfiÛÁÚ, Í·È ÙÔ ÂÒ„·ÎÂflÔ „È· ÙÁ ‰È·ÎÔ„ÈÍfi ÂÌÁÏ›Ò˘ÛÁ ÙÔı ÏÔÌÙ›ÎÔı ·ÒÔıÛfl·ÛÁÚ Ò›ÂÈ Ì· ˜ÒÁÛÈÏÔÔÈÂfl ÙÔÌ –·„͸ÛÏÈÔ …ÛÙ¸ ˘Ú ‰ÈÂȈ‹ÌÂÈ· ˜ÒfiÛÁÚ. ≈Âȉfi Á HTML ·Ò›˜ÂÈ
Ôν ÂÒÈÔÒÈÛÏ›ÌÂÚ ‰ıÌ·Ù¸ÙÁÙÂÚ, Ë· fiÙ·Ì ÒÔÙÈϸÙÂÒÔ Ì· ıÎÔÔÈÁËÂfl ˜ÒÁÛÈÏÔÔÈ˛ÌÙ·Ú Java.
¬·ÛÈ͸ ÛÙÔȘÂflÔ „È· ÙÁ ‰È·ÎÔ„ÈÍfi ÂÌÁÏ›Ò˘ÛÁ ÙÔı ÏÔÌÙ›ÎÔı ·ÒÔıÛfl·ÛÁÚ ÂflÌ·È Ì·
·ÔÈÍÔÌflÊÂÙ·È Ï „Ò·ˆÈ͸ ÙÒ¸Ô ÙÔ ÏÔÌÙ›ÎÔ Í·È Ì· ‰flÌÂÙ·È ÛÙÔ ˜ÒfiÛÙÁ ÏÈ· ÂÈ͸̷ ÙÁÚ ÎÔ„ÈÍfiÚ ·Ò‹ÛÙ·ÛÁÚ Ôı ›˜ÂÈ ÔÒflÛÂÈ. º˘Ú „flÌÂÙ·È Ù˛Ò· Á ‰ÁÏÈÔıÒ„fl· Í·È ÂÌÁÏ›Ò˘ÛÁ ÙÔı ÏÔÌÙ›ÎÔı ·ÒÔıÛfl·ÛÁÚ, Ô ˜ÒfiÛÙÁÚ ‰ÂÌ ›˜ÂÈ ÏÈ· „Ò·ˆÈÍfi fi Í·Ù·ÌÔÁÙfi ·Ò‹ÛÙ·ÛÁ ÙÁÚ ‰ÔÏfiÚ Ôı ›˜ÂÈ ÔÒflÛÂÈ. ¡¸ ÙÔ ·ÔÙ›ÎÂÛÏ· ͷٷη‚·flÌÂÈ ·Ì ¸ÌÙ˘Ú ·ıÙ¸ fiËÂΠ̷
‰ÁβÛÂÈ. ≈ÔÏ›Ì˘Ú, Á „Ò·ˆÈÍfi ‰È·ÎÔ„ÈÍfi ÂÌÁÏ›Ò˘ÛÁ Ë· ‚ÔÁËfiÛÂÈ ÙÔÌ ÒÔ„Ò·ÏÏ·ÙÈÛÙfi ˆ·ÒÏÔ„fiÚ Ì· ‰ÁβÌÂÈ ÂıÍÔθÙÂÒ· ·ıÙ¸ Ôı ÂÈËıÏÂfl.
6.2. ÃÂÎÎÔÌÙÈÍ›Ú Í·ÙÂıË˝ÌÛÂÈÚ 105 6.2.2 –·ÒÔıÛfl·ÛÁ Û XML - SGML
∏Ì· ¸ÏÂÌÔ ‚fiÏ· ÂflÌ·È Á ›ÍÙ·ÛÁ ÙÁÚ ıÎÔÔflÁÛÁÚ „È· ÙÁÌ ·Ò‹ÛÙ·ÛÁ ÙÁÚ
ÎÁÒÔˆÔÒfl·Ú ÛÂ XML Í·È SGML.
”ÙÔ Ù›Ù·ÒÙÔ Íˆ‹Î·ÈÔ Í·È Ûı„ÍÂÍÒÈϛ̷ ÛÙÁÌ ÂÒÈ„Ò·ˆfi ÙÔı ÙÏfiÏ·ÙÔÚ ·Ò·„˘„fiÚ ÙÁÚ ÛÂÎfl‰·Ú HTML, ÂÒÈ„Ò‹¯·Ï ÙÈÚ ÒÔÛËfiÍÂÚ Ôı ˜ÒÂÈ‹ÊÔÌÙ·È ˛ÛÙ ÙÔ Û˝ÛÙÁÏ· Ì·
·Ò‹„ÂÈ ·ÔÙ›ÎÂÛÏ· Û˝Ïˆ˘ÌÔ Ï ÙÁÌ XML.
√È· ÙÁÌ ·Ò·„˘„fi ·ÒÔıÛfl·ÛÁÚ Û˝Ïˆ˘ÌÁÚ Ï ÙÔ Ò¸ÙıÔ SGML, ÔÈ ·Îη„›Ú ÂflÌ·È
·ÌÙflÛÙÔȘÂÚ Ï ·ıÙ›Ú „È· XML ·Ì ÙÔ ·ÔÙ›ÎÂÛÏ· Ò›ÂÈ Ì· ·Ò·˜ËÂfl Û˝Ïˆ˘Ì· Ï ›Ì·
Ûı„ÍÂÍÒÈÏ›ÌÔ DTD (fi Ï ›Ì· ÎfiËÔÚ ÒÔÍ·ËÔÒÈÛÏ›Ì˘Ì DTD). ¡Ì ¸Ï˘Ú Ò›ÂÈ ÙÔ ÏÔÌÙ›ÎÔ
·ÒÔıÛfl·ÛÁÚ Ì· Í·ËÔÒflÊÂÈ Í·È ÙÔ DTD Ôı Ë· ·ÍÔÎÔıËÁËÂfl, ٸ٠қÂÈ Ì· „flÌÔıÌ Ôν
ÂÒÈÛÛ¸ÙÂÒÂÚ ·Îη„›Ú ÛÙÔ ÏÔÌÙ›ÎÔ ·ÒÔıÛfl·ÛÁÚ.
6.2.3 ’ÔÛÙfiÒÈÓÁ ÔνÎÔÍ˘Ì ÂÂÒ˘ÙfiÛ¢Ì
º˘Ú ÂÒÈ„Ò‹ˆÁÍ ÛÙÔ ÙÒflÙÔ Íˆ‹Î·ÈÔ, ÙÔ ÏÔÌÙ›ÎÔ ·ÒÔıÛfl·ÛÁÚ ›˜ÂÈ Û˜Â‰È·ÛÙÂfl
„È· ›Ì· Û˝ÌÔÎÔ ·Î˛Ì ÂÂÒ˘ÙfiÛ¢Ì. ‘Ô ÏÔÌÙ›ÎÔ ·ÒÔıÛfl·ÛÁÚ ÏÔÒÂfl Ì· ÂÂÍÙ·ËÂfl „È·
ÙÁÌ ıÔÛÙfiÒÈÓÁ ÔνÎÔÍ˘Ì ÂÂÒ˘ÙfiÛ¢Ì. œÈ ÂÂÒ˘ÙfiÛÂÈÚ ·ıÙ›Ú ÏÔÒÂfl Ì· ÒÔÛ‰ÈÔÒfl-ÊÔÌÙ·È Í·È ·¸ ÙÔÌ ÙÂÎÈ͸ ˜ÒfiÛÙÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ. ‘Ô ÙÂÎÂıÙ·flÔ ··ÈÙÂfl ÙÁ ‰ÁÏÈÔıÒ„fl·
ÏÈ·Ú ‰ÈÂȈ‹ÌÂÈ·Ú ˜ÒfiÛÁÚ ·¸ ¸Ôı Ô ÙÂÎÈÍ¸Ú ˜ÒfiÛÙÁÚ Ë· ÏÔÒÂfl Ì· ÂÁÒ‹ÊÂÈ Í‹ÔÈÂÚ
·Ò·Ï›ÙÒÔıÚ Ôı ·ˆÔÒÔ˝Ì ÛÙÁÌ ÙÂÎÈÍfi ·ÒÔıÛfl·ÛÁ Ù˘Ì ‰Â‰ÔÏ›Ì˘Ì ÏÈ·Ú ‚‹ÛÁÚ. ¡Í¸ÏÁ, ÂÂȉfi ÒÔÚ ÙÔ ·Ò¸Ì ‰ÂÌ ı‹Ò˜ÂÈ ‰Á΢ÙÈÍfi „βÛÛ· ÂÂÒ˛ÙÁÛÁÚ „È· ÙÔ ””≈, ¸Ù·Ì ·ıÙfi Í·Ù·ÛÍÂı·ÛÙÂfl Ë· fiÙ·Ì ÏÈ· ˜ÒfiÛÈÏÁ ›ÍÙ·ÛÁ Ô ‰ıÌ·ÏÈÍ¸Ú Í·ËÔÒÈÛÏ¸Ú ÂÂÒ˘ÙfiÛ¢Ì
·¸ ÙÔ ˜ÒfiÛÙÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ ˜ÒÁÛÈÏÔÔÈ˛ÌÙ·Ú ÙÁÌ „βÛÛ· ÂÂÒ˛ÙÁÛÁÚ.
6.2.4 ¬›ÎÙÈÛÙÔÚ ·ÒÈËÏ¸Ú ÂÌÂÒ„˛Ì ‰ÈÂÒ„·ÛÈ˛Ì Í·È Í·Ù·Î·Ï‚·Ì¸ÏÂÌÁÚ ÏÌfiÏÁÚ
”ÙÁÌ ÂÒÈ„Ò·ˆfi ÙÔı ÙÏfiÏ·ÙÔÚ ÂÈÍÔÈÌ˘Ìfl·Ú ÛÙÔ Ù›Ù·ÒÙÔ Íˆ‹Î·ÈÔ ·Ì·ˆ›ÒËÁÍ ¸ÙÈ Ô ·ÒÈËÏ¸Ú Ù˘Ì ÂÌÂÒ„˛Ì ‰ÈÂÒ„·ÛÈ˛Ì, Í·ËÔÒflÊÂÙ·È ·¸ ÙÔÌ ÒÔ„Ò·ÏÏ·ÙÈÛÙfi ˆ·ÒÏÔ„fiÚ Í·Ù‹ ÙÁÌ ÂÍÍflÌÁÛÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ. √È· ÙÁÌ Â˝ÒÂÛÁ ÙÔı ‚›ÎÙÈÛÙÔı ·ÒÈËÏÔ˝ ÂÌÂÒ„˛Ì
‰ÈÂÒ„·ÛÈ˛Ì Í‹Ë ˜ÒÔÌÈÍfi ÛÙÈ„Ïfi, Ò›ÂÈ Ì· ÂÓÂÙ·ÛËÂfl ›Ì· Û˝ÌÔÎÔ ·Î„ÔÒflËÏ˘Ì Í·È ÏÂ
‚‹ÛÁ ÙÈÚ Âȉ¸ÛÂÈÚ ÙÔı Í‹Ë ·Î„ÔÒflËÏÔı Ì· ÂÈ΄Âfl ›Ì·Ú fi ÂÒÈÛÛ¸ÙÂÒÔÈ, ·Ì ·ıÙ¸ ÂflÌ·È
··Ò·flÙÁÙÔ.
≈ÈΛÔÌ, ›Ì·Ú ‰ıÌ·ÏÈÍ¸Ú ·Î„¸ÒÈËÏÔÚ ÂflÌ·È ··Ò·flÙÁÙÔÚ „È· ÙÁÌ Â˝ÒÂÛÁ ÙÔı
‚›ÎÙÈÛÙÔı ·ÒÈËÏÔ˝ ÎÔ„ÈÍ˛Ì ·Ò·ÛÙ‹ÛÂ˘Ì Ôı Ò›ÂÈ Ì· ·Ò·Ï›ÌÔıÌ ÛÙÁÌ ÏÌfiÏÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ.
6.2.5 ƒÈ·ÌÂÏÁÙfiÚ ¡ÈÙfiÛ¢Ì
”˝Ïˆ˘Ì· Ï ÙÁÌ ıÎÔÔflÁÛÁ Ôı ›˜ÂÈ „flÌÂÈ, ‰ÂÌ ÏÔÒÔ˝Ì Ì· ÛıÌÂÒ„·ÛÙÔ˝Ì ÂÓıÁ-Ò›ÙÂÚ Âˆ·ÒÏÔ„fiÚ ÏÂÙ·Ó˝ ÙÔıÚ „È· ÙÁÌ ÂÓıÁÒ›ÙÁÛÁ ·ÈÙfiÛ¢Ì. ∏ÙÛÈ, ÏÔÒÂfl Ì· ı‹ÒÓÂÈ ÂÓıÁÒ›ÙÁÚ Âˆ·ÒÏÔ„fiÚ Ôı ›˜ÂÈ Ôν Ï„‹ÎÔ ˆ¸ÒÙÔ ÂÒ„·Ûfl·Ú ÂÌ˛ Í‹ÔÈÔÚ ‹ÎÎÔÚ ‰ÂÌ ›˜ÂÈ Û˜Â‰¸Ì ͷ˸ÎÔı ·ÈÙfiÛÂÈÚ ÒÔÚ ÂÓıÁÒ›ÙÁÛÁ. ¡ıÙ¸ ÙÔ Ò¸‚ÎÁÏ· ÏÔÒÂfl Ì· ÎıËÂfl Ï ÙÁ
˜ÒfiÛÁ ÂÌ¸Ú ‰È·ÌÂÏÁÙfi ·ÈÙfiÛÂ˘Ì (dispatcher). œ ‰È·ÌÂÏÁÙfiÚ ·ÈÙfiÛÂ˘Ì Ë· ÂflÌ·È ı½ËıÌÔÚ
„È· ÙÁÌ ÂÓÈÛÔÒÒ¸ÁÛÁ ÙÔı ˆ¸ÒÙÔı ÂÒ„·Ûfl·Ú ÏÂÙ·Ó˝ Ù˘Ì ÂÓıÁÒÂÙ˛Ì Âˆ·ÒÏÔ„fiÚ Ï ÙÒ¸Ô
‰È·ˆ·Ìfi ÒÔÚ ÙÔ ˜ÒfiÛÙÁ ÙÔı ÛıÛÙfiÏ·ÙÔÚ.
≈ÈΛÔÌ, Í·Ù‹ ÙÁÌ ÂÓÈÛÔÒÒ¸ÁÛÁ ˆ¸ÒÙÔı ÂÒ„·Ûfl·Ú Ò›ÂÈ Ì· ης‹ÌÂÙ·È ı¸¯Á Í·È ÙÔ ÔÈ‹ ‰ÈÂÒ„·Ûfl· ·¸ ÙÈÚ ÂÌÂÒ„›Ú ÂflÌ·È Á Í·Ù·ÎÎÁθÙÂÒÁ „È· ÙÁÌ ÂÓıÁÒ›ÙÁÛÁ ÙÁÚ
·flÙÁÛÁÚ. ‹Ë ‰ÈÂÒ„·Ûfl· Í·Ù‹ ÙÁÌ ÂÍÍflÌÁÛfi ÙÁÚ ·Ò˜ÈÍÔÔÈÂflÙ·È Ï ͋ÔÈÂÚ ‹‰ÂÈÂÚ, ¸˘Ú
˘Ú ÒÔÚ ˜ÒfiÛÙÁÚ Í·È Ï ÔÈÔ˝Ú Í˘‰ÈÍÔ˝Ú (passwords) ÂÈÍÔÈÌ˘ÌÂfl Ï ÙÔÌ ÂÓıÁÒ›ÙÁ ÙÁÚ
‚‹ÛÁÚ. ≈ÔÏ›Ì˘Ú, ÂflÌ·È ÒÔÙÈϸÙÂÒÔ Ì· ˜ÒÁÛÈÏÔÔÈÂflÙ·È ÏÈ· ‰ÈÂÒ„·Ûfl· Á ÔÔfl· ›˜ÂÈ
·Ò˜ÈÍÔÔÈÁËÂfl Ï ÙÈÚ Í·Ù‹ÎÎÁÎÂÚ ‹‰ÂÈÂÚ ·¸ ÙÁ ‰ÁÏÈÔıÒ„fl· ÏÈ·Ú Ì›·Ú „È· ·ıÙ¸Ì ÙÔÌ ÛÍÔ¸.
‘›ÎÔÚ, Ï ÙÁ ˜ÒÁÛÈÏÔÔflÁÛÁ ÂÌ¸Ú ‰È·ÌÂÏÁÙfi ·ÈÙfiÛÂ˘Ì ÏÔÒÔ˝Ì Ì· ÎÂÈÙÔıÒ„Ô˝Ì Ù·ıÙ¸˜ÒÔÌ· ÔÎÎÔfl ÂÓıÁÒ›ÙÂÚ Âˆ·ÒÏÔ„fiÚ, Ôı Ô Í·Ë›Ì·Ú ÂÓıÁÒÂÙÂfl ÏÈ· ‰È·ˆÔÒÂÙÈÍfi
‚‹ÛÁ ‰Â‰ÔÏ›Ì˘Ì. ”˝Ïˆ˘Ì· Ï ÙÁÌ ÙÒ›˜ÔıÛ· ıÎÔÔflÁÛÁ Ô ˜ÒfiÛÙÁÚ Ò›ÂÈ Ì· „Ì˘ÒflÊÂÈ ÙÁ ‰È½ËıÌÛÁ ÙÔı Í‹Ë ÂÓıÁÒ›ÙÁ ˆ·ÒÏÔ„fiÚ. ”ÙÁÌ ÂÒflÙ˘ÛÁ Ôı ı‹Ò˜ÂÈ ‰È·ÌÂÏÁÙfiÚ
·ÈÙfiÛÂ˘Ì Ô ˜ÒfiÛÙÁÚ ‰ÂÌ ˜ÒÂÈ‹ÊÂÙ·È Ì· „Ì˘ÒflÊÂÈ Ô˝ ‚ÒflÛÍÂÙ·È Ô Í‹Ë ÂÓıÁÒ›ÙÁÚ Âˆ·ÒÏÔ„fiÚ „È· Í‹Ë ‚‹ÛÁ ‰Â‰ÔÏ›Ì˘Ì, Ï ÙÁÌ ÔÔfl· Ë›ÎÂÈ Ì· Ûı̉ÂËÂfl.
6.2.6 ¡˝ÓÁÛÁ ÙÔı ·ÒÈËÏÔ˝ ‚ÁÏ‹Ù˘Ì ÈÛÙÔÒfl·Ú
º˘Ú ›˜ÂÈ fi‰Á ·Ì·ˆÂÒËÂfl, Á ÈÛÙÔÒfl· Ôı ÍÒ·Ù‹ÂÈ ÙÔ Û˝ÛÙÁÏ· ÂflÌ·È ÂÌ¸Ú ‚fiÏ·ÙÔÚ Ï¸ÌÔ. ƒÁη‰fi, ÙÔ Û˝ÛÙÁÏ· ÏÔÒÂfl Ì· ``ËıÏ‹Ù·È'' ϸÌÔ ÙÔ ÒÔÁ„Ô˝ÏÂÌÔ ·ÌÙÈÍÂflÏÂÌÔ
Ôı ·ÒÔıÛÈ‹ÛËÁÍÂ. ÃÈ· ·Í¸ÏÁ ›ÍÙ·ÛÁ ÂflÌ·È Á ·˝ÓÁÛÁ Ù˘Ì ‚ÁÏ‹Ù˘Ì ÈÛÙÔÒfl·Ú Ôı Ûı„ÍÒ·ÙÂfl ÙÔ Û˝ÛÙÁÏ·.
6.2.7 √Ò·ˆÈÍfi ·ÒÔıÛfl·ÛÁ Ù˘Ì ‰Â‰ÔÏ›Ì˘Ì
‘·ıÙ¸˜ÒÔÌ· Ï ÙÁÌ ·ÒÔ˝Û· ÂÒ„·Ûfl· ÂÍÙÂÎÂflÙ·È ÏÈ· ÂÒ„·Ûfl· „È· ÙÁÌ „Ò·ˆÈÍfi
·ÒÔıÛfl·ÛÁ Ù˘Ì ‰Â‰ÔÏ›Ì˘Ì ÂÌ¸Ú ÛÁÏ·ÛÈÔÎÔ„ÈÍÔ˝ ‰ÈÍÙ˝Ôı Ôı ›˜ÂÈ Í·Ù·ÛÍÂı·ÛÙÂfl Ï ÙÁ ˜ÒfiÛÁ ÙÁÚ Telos. ∏Ì· ÛÁÏ·ÌÙÈ͸ ‚fiÏ· Ë· ÂflÌ·È Á Û˝Ì‰ÂÛÁ Û ›Ì· ÂÌÈ·flÔ Û˝ÛÙÁÏ·
Ù˘Ì ‰˝Ô ÛıÛÙÁÏ‹Ù˘Ì. à·ıÙ¸Ì ÙÔÌ ÙÒ¸Ô Ô ÙÂÎÈÍ¸Ú ˜ÒfiÛÙÁÚ Ë· ÏÔÒÂfl Ì· ÎÔÁ„ÁËÂfl ÛÙÔ ÛÁÏ·ÛÈÔÎÔ„È͸ ‰flÍÙıÔ ÂflÙ „Ò·ˆÈÍ‹ ÂflÙ ˜ÒÁÛÈÏÔÔÈ˛ÌÙ·Ú ·Î¸ ÍÂflÏÂÌÔ Ï›Û˘ ÙÔı –·„͸ÛÏÈÔı …ÛÙÔ˝.
6.2. ÃÂÎÎÔÌÙÈÍ›Ú Í·ÙÂıË˝ÌÛÂÈÚ 107 6.2.8 ƒÁÏÈÔıÒ„fl· ÂÌ¸Ú ”ƒ –… ˜ÒÁÛÈÏÔÔÈ˛ÌÙ·Ú ÙÔ ””≈
√È· ÙÁ ‰ÁÏÈÔıÒ„fl· ÂÌ¸Ú ”ƒ –… Ù· ··Ò·flÙÁÙ· ‚fiÏ·Ù· ÂflÌ·È Ô ‰È·˜˘ÒÈÛÏ¸Ú Ù˘Ì
‰Â‰ÔÏ›Ì˘Ì ·¸ ÙÁÌ ·ÒÔıÛfl·Ûfi ÙÔıÚ Í·È Á ıÔÛÙfiÒÈÓÁ ‰È·ˆÔÒÂÙÈÍ˛Ì ·ÒÔıÛÈ‹ÛÂ˘Ì Ù˘Ì ‰Â‰ÔÏ›Ì˘Ì Û HTML. ≈ÈΛÔÌ, ··ÈÙÂflÙ·È ›Ì·Ú ÏÁ˜·ÌÈÛÏ¸Ú ‹ÌÙÎÁÛÁÚ ÎÁÒÔˆÔÒfl·Ú
·¸ ÂÙÂÒÔ„ÂÌÂflÚ Á„›Ú ‰Â‰ÔÏ›Ì˘Ì.
‘Ô ÏÔÌÙ›ÎÔ ·ÒÔıÛfl·ÛÁÚ Û HTML, Ôı ÂÒÈ„Ò‹ˆÁÍ ÛÙÔ ÙÒflÙÔ Íˆ‹Î·ÈÔ ‰È·˜˘-ÒflÊÂÈ Ù· ‰Â‰Ôϛ̷ ·¸ ÙÁÌ ·ÒÔıÛfl·Ûfi ÙÔıÚ Û HTML Í·È ıÔÛÙÁ‰È·˜˘-ÒflÊÂÈ ÙÁÌ ˝·ÒÓÁ
‰È·ˆÔÒÂÙÈÍ˛Ì ¸¯Â˘Ì ·ÒÔıÛfl·ÛÁÚ Ù˘Ì ‰Â‰ÔÏ›Ì˘Ì Û HTML. ≈ÈΛÔÌ, ıÔÛÙÁÒflÊÂÈ ÙÁ
·ÒÔıÛfl·ÛÁ Ù˘Ì ‰Â‰ÔÏ›Ì˘Ì ˜ÒÁÛÈÏÔÔÈ˛ÌÙ·Ú ‰È·ˆÔÒÂÙÈÍ‹ Âfl‰Á ‰È·Ï¸Òˆ˘ÛÁÚ ÍÂÈÏ›ÌÔı.
”ı̲Ú, „È· ÙÁ ‰ÁÏÈÔıÒ„fl· ÂÌ¸Ú ”ƒ –… ˜ÒÁÛÈÏÔÔÈ˛ÌÙ·Ú ÙÔ ””≈ ÂflÌ·È ··Ò·flÙÁÙÁ Á Í·Ù·ÛÍÂıfi ÏÂÙ·ˆÒ·ÛÙ˛Ì (wrappers) „È· ÙÁÌ ÂÈÍÔÈÌ˘Ìfl· ÙÔı ””≈ Ï ÂÓ˘ÙÂÒÈÍ›Ú Á„›Ú
‰Â‰ÔÏ›Ì˘Ì, Á Í·Ù·ÛÍÂıfi ÏÈ·Ú ‰Á΢ÙÈÍfiÚ „βÛÛ·Ú ÂÂÒ˛ÙÁÛÁÚ Í·È Á ıÎÔÔflÁÛÁ ÂÌ¸Ú ÏÁ˜·ÌÈÛÏÔ˝ ÂÈ‚ÔÎfiÚ Í·È ‰È·ÙfiÒÈÛÁÚ ÂÒÈÔÒÈÛÏ˛Ì.
–·Ò‹ÒÙÁÏ· ¡
”ıÌÙÔÏÔ„Ò·ˆflÂÚ
≈À ≈̉ȋÏÂÛÔ ÀÔ„ÈÛÏÈ͸
≈À¬ƒ ≈̉ȋÏÂÛÔ ÀÔ„ÈÛÏÈ͸ „È· ¬‹ÛÂÈÚ ƒÂ‰ÔÏ›Ì˘Ì
…– …ÌÛÙÈÙÔ˝ÙÔ –ÎÁÒÔˆÔÒÈÍfiÚ
…‘≈ ∫‰ÒıÏ· ∏ÒÂıÌ·Ú Í·È ‘˜ÌÔÎÔ„fl·Ú
–… –·„͸ÛÏÈÔÚ …ÛÙ¸Ú
”ƒ»œ ”˝ÛÙÁÏ· ƒÈ·˜ÂflÒÈÛÁÚ »ÁÛ·ıÒ˛Ì ºÒ˘Ì
”ƒ –… ”˝ÛÙÁÏ· ƒÈ·˜ÂflÒÈÛÁÚ ¸Ï‚˘Ì ÙÔı –·„͸ÛÏÈÔı …ÛÙÔ˝
””≈ ”˝ÛÙÁÏ· ”ÁÏ·ÛÈÔÎÔ„ÈÍÔ˝ ≈ıÒÂÙÁÒÈ·ÛÏÔ˝
API Application Programming Interface
CGI Common Gateway Interface
COM Component Object Model
CORBA Common Object Request Broker Architecture DCOM Distributed Component Object Model Protocol JDBC Java DataBase Connectivity
HTML HyperText Markup Language
HTTP HyperText Transfer Protocol
HTS HyperText Sybase
ODBC Open DataBase Connectivity
OQL Object Query Language
RPC Remote Procedure Call
URI Uniform Resource Identifier
URL Uniform Resource Locator
SIS Semantic Index System
SGML Standard Generalized Markup Language
TMS Thesaurus Management System
XML Extensible Markup Language
WRB Web Request Broker
–·Ò‹ÒÙÁÏ· ¬
¡„„ÎÔ-ÂÎÎÁÌÈ͸ „΢ÛÛ‹ÒÈÔ
API ƒÈÂȈ‹ÌÂÈ· –ÒÔ„Ò·ÏÏ·ÙÈÛÏÔ˝ ≈ˆ·ÒÏÔ„˛Ì
Application pages ”ÂÎfl‰ÂÚ ≈ˆ·ÒÏÔ„fiÚ
Application server ≈ÓıÁÒ›ÙÁÚ ≈ˆ·ÒÏÔ„fiÚ
Background ÷¸ÌÙÔ
Browser ¡Ì·‰ÈˆÁÙfiÚ
Buffer ≈ÌÙ·ÏÈÂıÙfiÚ
Cache Memory Òıˆfi ÃÌfiÏÁ
Client ≈ÓıÁÒÂÙÔ˝ÏÂÌÔÚ
Constraint –ÂÒÈÔÒÈÛϸÚ
Database Middleware ≈̉ȋÏÂÛÔ ÀÔ„ÈÛÏÈ͸ „È· ¬‹ÛÂÈÚ ƒÂ‰ÔÏ›Ì˘Ì
Default ‘ıÈ͸Ú
Dispatcher ƒÈ·ÌÂÏÁÙfiÚ ¡ÈÙfiÛ¢Ì
Format ÃÔÒˆ¸ÙıÔÚ
Frame –ηflÛÈÔ
Hyperlink ’ÂÒ-Û˝Ì‰ÂÛÏÔÚ
Hypertext ’ÂÒ-ÍÂflÏÂÌÔ
Gateway –˝ÎÁ ƒÈ·Û˝Ì‰ÂÛÁÚ
Interactive ƒÈ·ÎÔ„È͸Ú
Internet ƒÈ·‰flÍÙıÔ
Load Balancing ≈ÓÈÛÔÒÒ¸ÁÛÁ ÷ÔÒÙflÔı
Macro file ¡Ò˜ÂflÔ Ã·ÍÒÔ-ÂÌÙÔβÌ
Margin –ÂÒÈ˲ÒÈÔ
Match ‘·flÒÈ·ÛÏ·
Mediator ƒÈ·ÏÂÛÔη‚ÁÙfiÚ
Middleware ≈̉ȋÏÂÛÔ ≈flÂ‰Ô ÀÔ„ÈÛÏÈÍÔ˝
Navigation –ÎÔfi„ÁÛÁ
Official Web Site ≈flÛÁÏÔÚ ¸Ï‚ÔÚ ÛÙÔÌ –·„͸ÛÏÈÔ …ÛÙ¸
Overloading (Method) ’ÂÒˆ¸ÒÙ˘ÛÁ (ÏÂ˸‰Ôı)
Page-Oriented ”ÂÎȉÔ-ÍÂÌÙÒÈ͸
Page-scheme ”˜fiÏ· ”ÂÎfl‰˘Ì
Password ”ıÌËÁÏ·ÙÈÍfi À›ÓÁ
Process Management ƒÈ·˜ÂflÒÈÛÁ ƒÈÂÒ„·ÛÈ˛Ì
Query ≈ÂÒ˛ÙÁÛÁ
Query Language √βÛÛ· ≈ÂÒ˛ÙÁÛÁÚ
Relational Data Model ”˜ÂÛȷ͸ ÃÔÌÙ›ÎÔ ƒÂ‰ÔÏ›Ì˘Ì
Reaction ¡ÌÙfl‰Ò·ÛÁ
Report Writer ≈Ò„·ÎÂflÔ –·Ò·„˘„fiÚ ¡Ì·ˆÔÒ˛Ì
Scaleable ÎÈÏ·ÍÔ˝ÏÂÌÔÚ
Scrollbar —‹‚‰ÔÚ œÎflÛËÁÛÁÚ
Server ≈ÓıÁÒ›ÙÁÚ
Source –Á„fi
Standard Interfaces –Ò¸ÙıÂÚ ƒÈÂȈ‹ÌÂÈÂÚ (◊ÒfiÛÁÚ) Standard Data Formats –Ò¸ÙıÔÈ ÃÔÒˆ¸ÙıÔÈ ƒÂ‰ÔÏ›Ì˘Ì
Structured ƒÔÏÁÏ›ÌÔÚ
Tag ≈ÙÈ͛ٷ ƒÈ·Ï¸Òˆ˘ÛÁÚ
Template ”ÍÂÎÂÙ¸Ú
Transaction Monitor ≈ÈÙÁÒÁÙfiÚ ƒÔÛÔÎÁ¯È˛Ì
Tuple –ÎÂÈ‹‰·
Web Browser ¡Ì·‰ÈˆÁÙfiÚ ÙÔı –·„͸ÛÏÈÔı …ÛÙÔ˝
Web Site ¸Ï‚ÔÚ ÙÔı –·„͸ÛÏÈÔı …ÛÙÔ˝
Web Site Management System ”˝ÛÙÁÏ· ƒÈ·˜ÂflÒÈÛÁÚ ¸Ï‚˘Ì ÙÔı –·„͸ÛÏÈÔı …ÛÙÔ˝
World Wide Web –·„͸ÛÏÈÔÚ …ÛÙ¸Ú
Wrapper ÃÂÙ·ˆÒ·ÛÙfiÚ
–·Ò‹ÒÙÁÏ· √
ÃÔÌÙ›ÎÔ ·ÒÔıÛfl·ÛÁÚ ÈÛÙÔÛÂÎfl‰˘Ì Û Telos
TELL Attribute html_presentation from: Individual
to: Individual in S_Class
end
TELL Individual View in M1_Class with attribute
default_presentation : Document;
end
TELL Individual Presentation in M1_Class end
TELL Individual HTML_Presentation in S_Class, Presentation end
TELL Individual XML_Presentation in S_Class, Presentation end
TELL Individual Latex_Presentation in S_Class, Presentation end
TELL Individual ASCII_Presentation in S_Class, Presentation end
TELL Individual Document in S_Class with attribute
prologue : Prologue;
epilogue : Epilogue;
contains : Container;
coming_from : Document;
end
TELL Individual Prologue in S_Class with attribute
has_title : Text;
end
TELL Individual Epilogue in S_Class end
TELL Individual Container in S_Class end
TELL Individual BasicContainer in S_Class isA Container with attribute
header : Header;
footer : Footer;
body : Body;
has_background : Background;
visited_color : Color;
unvisited_color : Color;
activated_color : Color;
end
TELL Individual FrameContainer in S_Class isA Container end
TELL Individual FrameSet in S_Class isA FrameContainer with attribute
contains : FrameContainer;
rows : ValueList;
cols : ValueList;
noFrame : BasicContainer;
115 end
TELL Individual FrameElement in S_Class isA FrameContainer with attribute
target : Telos_String;
src : Telos_String;
obj : Telos_String;
view : Telos_String;
name : Telos_String;
marginHeight : Telos_Integer;
marginWidth : Telos_Integer;
scrolling : Boolean;
resize : Boolean;
end
TELL Individual ValueList in S_Class end
TELL Individual Boolean in S_Class end
TELL Individual Color in S_Class isA Background end
TELL Individual Background in S_Class end
TELL Individual Header in S_Class with attribute
composed_of : MMediaData;
end
TELL Individual Footer in S_Class with attribute
composed_of : MMediaData;
end
TELL Individual Body in S_Class with attribute
presentation_type : PresentationType;
end
TELL Individual BodyPart in S_Class isA Body with attribute
composed_of : Body;
end
TELL Individual BodyElement in S_Class isA Body with attribute
expansion : Expansion;
font : Font;
composed_of : BodyData;
end
TELL Individual Font in S_Class with attribute
size : Size;
color : Color;
face : Face;
end
TELL Individual Size in S_Class end
TELL Individual Face in S_Class end
TELL Individual BodyData in S_Class end
TELL Individual MMediaData in S_Class isA BodyData end
TELL Individual Audio in S_Class isA MMediaData end
TELL Individual Video in S_Class isA MMediaData end
TELL Individual Text in S_Class isA MMediaData
117 end
TELL Individual File in S_Class isA Text end
TELL Individual Hyperlink in S_Class isA Text with attribute
label : Text;
src : Text;
obj : Telos_String;
view : Telos_String;
state : Telos_String;
end
TELL Individual Mailto in S_Class isA Hyperlink end
TELL Individual Separator in S_Class isA Text end
TELL Individual Image in S_Class isA MMediaData, Background end
TELL Individual FactualData in S_Class isA BodyData with attribute
separator : MMediaData;
order : œrder;
title : MMediaData;
attribute_label : MMediaData;
number_of_displayed_items : Telos_Integer;
continue_label : MMediaData;
end
TELL Individual Superclasses in S_Class isA FactualData end
TELL Individual Subclasses in S_Class isA FactualData end
TELL Individual Classesœf in S_Class isA FactualData
end
TELL Individual Instances in S_Class isA FactualData end
TELL Individual FromAttributes in S_Class isA FactualData end
TELL Individual ToAttributes in S_Class isA FactualData end
TELL Individual FromNodes in S_Class isA FactualData end
TELL Individual ToNodes in S_Class isA FactualData end
TELL Individual FromAttributesByClass in S_Class isA FactualData end
TELL Individual FromAttributesByMetaClass in S_Class isA FactualData end
TELL Individual ToAttributesByClass in S_Class isA FactualData end
TELL Individual ToAttributesByMetaClass in S_Class isA FactualData end
TELL Individual PresentationType in S_Class with attribute
format : Format;
media_type : MediaType;
end
TELL Individual Format in S_Class end
TELL Individual UserDefined in S_Class isA Format end
119
TELL Individual Predefined in S_Class isA Format end
TELL Individual TimeFormat in S_Class isA Format end
TELL Individual LinkFormat in S_Class isA Format end
TELL Individual TextFormat in S_Class isA Format end
TELL Individual Table in S_Class isA Predefined end
TELL Individual List in S_Class isA Predefined end
TELL Individual VariousFormat in S_Class isA UserDefined end
TELL Individual UserFunction in S_Class isA UserDefined with attribute
code : Telos_String;
end
TELL Individual JavaScript in S_Class isA UserFunction end
TELL Individual JavaApplet in S_Class isA UserFunction end
TELL Individual HyperlinkAll in Token, LinkFormat end
TELL Individual HyperlinkFromValue in Token, LinkFormat end
TELL Individual HyperlinkToValue in Token, LinkFormat
end
TELL Individual HyperlinkLabel in Token, LinkFormat end
TELL Individual NoHyperlinkAll in Token, LinkFormat end
TELL Individual NoHyperlinkFromValue in Token, LinkFormat end
TELL Individual NoHyperlinkToValue in Token, LinkFormat end
TELL Individual NoHyperlinkLabel in Token, LinkFormat end
TELL Individual MediaType in S_Class end
TELL Individual AudioType in Token, MediaType end
TELL Individual ImageType in Token, MediaType end
TELL Individual TextType in Token, MediaType end
TELL Individual VideoType in Token, MediaType end
TELL Individual Expansion in S_Class, View with attribute
over_object : Individual;
end
TELL Individual No_Expand_No_Node in S_Class isA Expansion end
121 TELL Individual Expand_Node in S_Class isA Expansion
end
TELL Individual Expand_No_Node in S_Class isA Expansion end
TELL Individual No_Expand_No_Hyperlink in S_Class isA Expansion end
TELL Individual No_Expand_Hyperlink in S_Class isA Expansion with attribute
label : Text;
src : Text;
object : Telos_String;
view : Telos_String;
end
TELL Individual Recursive_Expansion in S_Class isA Expansion with attribute
depth : Telos_Integer;
end
TELL Individual Expand_From_Node in S_Class isA Expansion end
TELL Individual Expand_To_Node in S_Class isA Expansion end
TELL Individual This in S_Class end
TELL Individual LogicalName in S_Class isA This end
TELL Individual LogicalNameFromNode in S_Class isA This end
TELL Individual LogicalNameToNode in S_Class isA This end
TELL Individual Level in S_Class isA This end
TELL Individual Type in S_Class isA This end
TELL Individual œrder in S_Class end
¬È‚ÎÈÔ„Ò·ˆfl·
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