Updated README.md

Author: Armour

README.md

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+# Imcomplete-Data-Query-in-PostgreSQL
+This repo is used to implement different kinds of imcomplete data queries in postgresql
+
+## Content && Contributors
+* [Armour](https://github.com/Armour)
+  * [K-SkyBand-Query-in-PostgreSQL](https://github.com/Armour/K-SkyBand-Query-in-PostgreSQL)
+  * [KeySkyBandQuery](https://github.com/Armour/KeySkyBandQuery)
+* [Iykon](https://github.com/iykon)
+  * [top-k-dominating](https://github.com/iykon/top-k-dominating)
+* [Travelinglight](https://github.com/Travelinglight)
+  * [iknn-HA](https://github.com/Travelinglight/iknn-HA)
+  * [iknn-LP](https://github.com/Travelinglight/iknn-LP)