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cx="1361.7351" cy="3745.1002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="156.3351" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="189.6" x="1266.9351" y="3754.4846">Block question</text><ellipse cx="2195.213" cy="5248.7002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="140.213" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="166.8" x="2111.813" y="5258.0846">Add keyword</text><ellipse cx="1362.2851" cy="3231.5002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="127.4851" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="148.8" x="1287.8851" y="3240.8846">Topic cloud</text><ellipse cx="1362.1292" cy="1613.9002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="159.7292" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="194.4" x="1264.9292" y="1623.2846">Question focus</text><ellipse cx="2195.3586" cy="1095.5002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="142.7586" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="170.4" x="2110.1586" y="1104.8846">Ban question</text><ellipse cx="1362.2053" cy="4747.3611" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="175.4053" ry="37.9611" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="218.4" x="1253.0053" y="4756.7454">Vote up question</text><ellipse cx="1362.2607" cy="4946.2121" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="188.6607" ry="40.6121" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="254.4" x="1235.0607" y="4955.5965">Vote down question</text><ellipse cx="2195.3525" cy="5014.7905" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="174.5525" ry="37.7905" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="216" x="2087.3525" y="5024.1749">Publish question</text><ellipse cx="704.1101" cy="5354.3002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="141.9101" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="169.2" x="619.5101" y="5363.6846">Create check</text><ellipse cx="1361.863" cy="5435.9002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="169.063" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="207.6" x="1258.063" y="5445.2846">Correct Spelling</text><ellipse cx="2195.6881" cy="292.7002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="68.0881" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="64.8" x="2163.2881" y="302.0846">Filter</text><ellipse cx="2195.4573" cy="2157.5002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="57.0573" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="49.2" x="2170.8573" y="2166.8846">Tag</text><ellipse cx="2195.2161" cy="3880.7002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="80.8161" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="82.8" x="2153.8161" y="3890.0846">Delete</text><ellipse cx="2195.4865" cy="3485.9002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="155.4865" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="188.4" x="2101.2865" y="3495.2846">Mark as wrong</text><ellipse cx="2195.5219" cy="2402.3002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="135.1219" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="159.6" x="2115.7219" y="2411.6846">Mark as true</text><ellipse cx="2195.5572" cy="1936.7002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="114.7572" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="130.8" x="2130.1572" y="1946.0846">Republish</text><ellipse cx="2195.3013" cy="1729.1002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="89.3013" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="94.8" x="2147.9013" y="1738.4846">Answer</text><ellipse cx="2195.6029" cy="3221.9002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="59.6029" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="52.8" x="2169.2029" y="3231.2846">Star</text><ellipse cx="2195.3233" cy="2859.5002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="163.1233" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="199.2" x="2095.7233" y="2868.8846">Edit topic cloud</text><ellipse cx="2195.2806" cy="4623.5002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="158.8806" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="193.2" x="2098.6806" y="4632.8846">Edit cloud view</text><ellipse cx="2195.5048" cy="4425.621" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="183.7048" ry="39.621" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="241.2" x="2074.9048" y="4435.0053">Correct a key word</text><ellipse cx="2195.6601" cy="4132.7002" fill="#98FB98" filter="url(#f1n2jmhqch82o3)" rx="113.0601" ry="37.7002" style="stroke:#008000;stroke-width:2.4;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="128.4" x="2131.4601" y="4142.0846">Bookmark</text><!--MD5=[9642be9e27d3356614e146876c7fe741]
+entity Lecturer--><ellipse cx="349.2" cy="1838.4" fill="#FEFECE" filter="url(#f1n2jmhqch82o3)" rx="9.6" ry="9.6" style="stroke:#A80036;stroke-width:1.7999999999999998;"/><path d="M349.2,1848 L349.2,1880.4 M333.6,1857.6 L364.8,1857.6 M349.2,1880.4 L333.6,1898.4 M349.2,1880.4 L364.8,1898.4 " fill="none" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.7999999999999998;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="105.6" x="296.4" y="1940.8969">Lecturer</text><!--MD5=[494c489cc4328319247ec2e1625e02a3]
+entity Student--><ellipse cx="349.2" cy="3928.8" fill="#FEFECE" filter="url(#f1n2jmhqch82o3)" rx="9.6" ry="9.6" style="stroke:#A80036;stroke-width:1.7999999999999998;"/><path d="M349.2,3938.4 L349.2,3970.8 M333.6,3948 L364.8,3948 M349.2,3970.8 L333.6,3988.8 M349.2,3970.8 L364.8,3988.8 " fill="none" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.7999999999999998;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="102" x="298.2" y="4031.2969">Student</text><!--MD5=[751c087365caa72459e8e7ad1438504b]
+entity Moderator--><ellipse cx="72" cy="4173.6" fill="#FEFECE" filter="url(#f1n2jmhqch82o3)" rx="9.6" ry="9.6" style="stroke:#A80036;stroke-width:1.7999999999999998;"/><path d="M72,4183.2 L72,4215.6 M56.4,4192.8 L87.6,4192.8 M72,4215.6 L56.4,4233.6 M72,4215.6 L87.6,4233.6 " fill="none" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.7999999999999998;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="129.6" x="7.2" y="4276.0969">Moderator</text><path d="M1798.8,5589 L1798.8,5721.675 L2592,5721.675 L2592,5601 L2580,5589 L1798.8,5589 " fill="#FBFB77" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.2;"/><path d="M2580,5589 L2580,5601 L2592,5601 L2580,5589 " fill="#FBFB77" style="stroke:#A80036;stroke-width:1.2;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="691.2" x="1812" y="5630.8969">If a lecturer is registered and logs in with her account,</text><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="747.6" x="1812" y="5667.1219">her sessions remain stored for 180 days after the last visit,</text><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="592.8" x="1812" y="5703.3469">otherwise they are deleted when she logs out.</text><path d="M1909.8,5850 L1909.8,5946.45 L2481,5946.45 L2481,5862 L2469,5850 L1909.8,5850 " fill="#FBFB77" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.2;"/><path d="M2469,5850 L2469,5862 L2481,5862 L2469,5850 " fill="#FBFB77" style="stroke:#A80036;stroke-width:1.2;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="525.6" x="1923" y="5891.8969">Registered students can receive a bonus</text><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="468" x="1923" y="5928.1219">for particularly interesting questions.</text><path d="M3660,4567.2 L3660,4663.65 L4369.2,4663.65 L4369.2,4579.2 L4357.2,4567.2 L3660,4567.2 " fill="#FBFB77" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.2;"/><path d="M4357.2,4567.2 L4357.2,4579.2 L4369.2,4579.2 L4357.2,4567.2 " fill="#FBFB77" style="stroke:#A80036;stroke-width:1.2;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="663.6" x="3673.2" y="4609.0969">as another option we have general, fond, hover and</text><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="639.6" x="3673.2" y="4645.3219">weight-classes that apply to the sight of the cloud</text><path d="M2796,5512.8 L2796,5573.025 L3512.4,5573.025 L3512.4,5524.8 L3500.4,5512.8 L2796,5512.8 " fill="#FBFB77" filter="url(#f1n2jmhqch82o3)" style="stroke:#A80036;stroke-width:1.2;"/><path d="M3500.4,5512.8 L3500.4,5524.8 L3512.4,5524.8 L3500.4,5512.8 " fill="#FBFB77" style="stroke:#A80036;stroke-width:1.2;"/><text fill="#000000" font-family="sans-serif" font-size="28.8" lengthAdjust="spacing" textLength="679.2" x="2809.2" y="5554.6969">it is possible to choose the language for the spelling.</text><!--MD5=[f33f0083b43779a952bb31043b621586]
+link Create session to NoteForCreateSession--><path d="M713.004,1927.764 C745.68,2096.316 877.38,2797.068 925.2,3379.2 C934.548,3492.972 904.092,5334.768 961.2,5433.6 C1120.752,5709.732 1502.016,5742.384 1798.68,5719.872 " fill="none" id="Create session-NoteForCreateSession" style="stroke:#008000;stroke-width:2.4;"/><!--MD5=[86135eae7f0ef83d4a67a5c98d2267dc]
+link Join session as student to NoteForJoinSessionAsStudent--><path d="M729.42,4763.916 C776.388,4853.748 880.296,5064.984 925.2,5256 C937.716,5309.232 923.496,5707.2 961.2,5746.8 C1218.132,6016.596 1689.768,5991.12 1969.344,5946.024 " fill="none" id="Join session as student-NoteForJoinSessionAsStudent" style="stroke:#008000;stroke-width:2.4;"/><!--MD5=[ad0b8c35b57c581c1b35766c2e314aa1]
+link Demo cloud to NoteForDemoCloud--><path d="M3273.804,4716.576 C3374.472,4702.776 3524.34,4682.232 3662.904,4663.248 " fill="none" id="Demo cloud-NoteForDemoCloud" style="stroke:#008000;stroke-width:2.4;"/><!--MD5=[3ff120ab0755ed136b02c02ad4f66e97]
+link My cloud to NoteForDemoCloud--><path d="M3253.404,4522.728 C3352.776,4534.824 3512.496,4554.252 3659.928,4572.192 " fill="none" id="My cloud-NoteForDemoCloud" style="stroke:#008000;stroke-width:2.4;"/><!--MD5=[5a69e9bd5369e276eb7cfe45f53ab9ef]
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+@startuml
+
+scale 1.0
+
+left to right direction
+
+skinparam backgroundColor Linen
+skinparam LegendBackgroundColor Strategy
+skinparam LegendBorderThickness 0
+skinparam LegendFontSize 20
+skinparam Padding 5
+skinparam defaultFontSize 24
+skinparam Nodesep 100
+skinparam ArrowThickness 2
+skinparam shadowing true
+
+skinparam usecase {
+    BackgroundColor PaleGreen
+    BorderColor Green
+    BackgroundColor<<USP>> Pink
+    BorderColor<<USP>> HotPink
+    BorderThickness 2
+    ArrowThickness 2
+    ArrowColor Green
+    ActorBorderColor Green
+}
+
+actor Lecturer
+actor Student
+actor Moderator
+
+note "If a lecturer is registered and logs in with her account, \nher sessions remain stored for 180 days after the last visit, \notherwise they are deleted when she logs out." as NoteForCreateSession
+note "Registered students can receive a bonus \nfor particularly interesting questions." as NoteForJoinSessionAsStudent
+note "as another option we have general, fond, hover and \nweight-classes that apply to the sight of the cloud " as NoteForDemoCloud
+note "it is possible to choose the language for the spelling." as NoteForSpellCheck
+
+rectangle "frag.jetzt | use-case diagram \n" << Business >> {
+
+    (Create session) - - - NoteForCreateSession
+    (Join session as student) - - - NoteForJoinSessionAsStudent
+    (Demo cloud) - - - NoteForDemoCloud
+    (My cloud) - NoteForDemoCloud
+    (Spell check) - - NoteForSpellCheck
+
+    Lecturer - - (Create session)
+    (Evaluate questions) <.. (Delete question) : << extend >>
+    Student- - (Join session as student)
+    Moderator - - - - (Join session as Moderator)
+    (Join session as Moderator)<..(Moderate questions): << extend >>
+    (Create session) <.. (Question wall) : << extend >>
+    (Create session) <.. (Question wall) : << extend >>
+    (Create session) <.. (Edit session) : << extend >>
+    (Create session) <.. (Evaluate questions) : << extend >>
+    (Create session) <.. (Assign moderator to session) : << extend >>
+    (Create session) <.. (Create question tag) : << extend >>
+    (Create session) <.. (Export questions) : << extend >>
+    (Create session) <.. (Ask question) : << extend >>
+    (Create session) <.. (Rate questions) : << extend >>
+    (Create session) <.. (Redeem bonus token) : << extend >>
+    (Create session) <.. (Evaluate questions) : << extend >>
+    (Create session) <.. (Block question) : << extend >>
+    (Create session) <.. (Add keyword) : << extend >>
+    (Create session) <.. (Topic cloud) : << extend >>
+    (Create session) <.. (Question focus) : << extend >>
+
+
+    (Moderate questions) <.. (Ban question) : << extend >>
+    (Evaluate questions) <.. (Ban question) : << extend >>
+    (Join session as student) <.. (Question wall) : << extend >>
+    (Join session as student) <.. (Ask question) : << extend >>
+    (Join session as student) <.. (Vote up question) : << extend >>
+    (Join session as student) <.. (Vote down question) : << extend >>
+    (Join session as student) <.. (Export questions) : << extend >>
+    (Join session as student) <.. (Add keyword) : << extend >>
+    (Join session as student) <.. (Topic cloud) : << extend >>
+    (Join session as student) <.. (Question focus) : << extend >>
+
+
+
+    (Join session as Moderator) <.. (Ask question) : << extend >>
+    (Join session as Moderator) <.. (Block question) : << extend >>
+    (Join session as Moderator) <.. (Rate questions) : << extend >>
+    (Join session as Moderator) <.. (Export questions) : << extend >>
+    (Join session as Moderator) <.. (Add keyword) : << extend >>
+    (Join session as Moderator) <.. (Question wall) : << extend >>
+    (Join session as Moderator) <.. (Topic cloud) : << extend >>
+    (Join session as Moderator) <.. (Question focus) : << extend >>
+    (Ask question) <.. (Spell check) : << extend >>
+    (Ask question) <.. (Add keyword) : << extend >>
+    (Ask question) <.. (Publish question) : << extend >>
+    (Create check) <.. (Correct Spelling) : << extend >>
+
+    (Question wall) <.. (Filter) : << extend >>
+    (Evaluate questions) <.. (Tag) : << extend >>
+    (Evaluate questions) <.. (Delete) : << extend >>
+    (Evaluate questions) <.. (Mark as wrong) : << extend >>
+    (Evaluate questions) <.. (Mark as true) : << extend >>
+    (Evaluate questions) <.. (Republish) : << extend >>
+    (Evaluate questions) <.. (Answer) : << extend >>
+    (Evaluate questions) <.. (Star) : << extend >>
+    (Evaluate questions) <.. (Ban question) : << extend >>
+    (Topic cloud) <.. (Edit topic cloud) : << extend >>
+    (Topic cloud) <.. (Edit cloud view) : << extend >>
+    (Edit cloud view) <.. (My cloud) : << extend >>
+    (Edit cloud view) <.. (Demo cloud) : << extend >>
+    (Topic cloud) <.. (Correct a key word) : << extend >>
+    (Moderate questions) <.. (Tag) : << extend >>
+    (Moderate questions) <.. (Bookmark) : << extend >>
+    (Moderate questions) <.. (Delete) : << extend >>
+    (Moderate questions) <.. (Mark as wrong) : << extend >>
+    (Moderate questions) <.. (Mark as true) : << extend >>
+    (Moderate questions) <.. (Republish) : << extend >>
+    (Moderate questions) <.. (Answer) : << extend >>
+    (Moderate questions) <.. (Star) : << extend >>
+    (Moderate questions) <.. (Ban question) : << extend >>
+    (Moderate questions) <.. (Bookmark) : << extend >>
+    (Question focus) <.. (Filter) : << extend >>
+
+}
+
+legend right
+  |<img:https://git.thm.de/arsnova/arsnova-lite/raw/staging/src/assets/icons/Logo_frag_jetzt_128x128.png> |= \n\n »frag.jetzt« |
+  | Produktion | [[https://frag.jetzt]] |
+  | Repository | [[https://git.thm.de/arsnova/frag.jetzt]] |
+  | Staging Server | [[https://staging.frag.jetzt]] |
+  | UML-Tool| PlantUML v5.5.1|
+  | Ersteller| Kevin Piam , Franck Mezatio |
+  | Letzte Änderung| 20.06.2021 |
+end legend
+
+@enduml
+
+PlantUML version 1.2021.7(Sun May 23 14:40:07 CEST 2021)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: Dynamic Code Evolution 64-Bit Server VM
+Default Encoding: Cp1252
+Language: de
+Country: DE
+--></g></svg>
\ No newline at end of file