update the license file and readme

LICENSE

@@ -560,58 +560,3 @@ OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-===============================================================================
-SINGA bundles the following under MIT License: 
-examples/model_selection/TRAILS-Database-Native-Model-Selection/internal/pg_extension/*
-
-MIT License
-
-Portions Copyright 2019-2021 ZomboDB, LLC.
-Portions Copyright 2021-2023 Technology Concepts & Design, Inc.
-Portions Copyright 2023 PgCentral Foundation, Inc.
-
-All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-===============================================================================
-SINGA bundles the following under The PostgreSQL License: 
-examples/model_selection/TRAILS-Database-Native-Model-Selection/internal/pg_extension/*
-
-The PostgreSQL License
-
-Portions Copyright (c) 1996-2023, The PostgreSQL Global Development Group
-
-Portions Copyright (c) 1994, The Regents of the University of California
-
-Permission to use, copy, modify, and distribute this software and its documentation for any 
-purpose, without fee, and without a written agreement is hereby granted, provided that the above 
-copyright notice and this paragraph and the following two paragraphs appear in all copies.
-
-IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, 
-SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING 
-OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF 
-THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
-A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, 
-AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, 
-UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
-

examples/model_selection/TRAILS-Database-Native-Model-Selection/README.md

@@ -19,7 +19,7 @@
 
 # Database-Native Model Selection 
 
-​																																																		-- based on Singa
+​																																																		-- based on SINGA
 
 
 
@@ -33,6 +33,9 @@ cd singa/examples/model_selection/TRAILS-Database-Native-Model-Selection/
 docker build -t trails-singa .
 ```
 
+Inside the docker image, the PostgreSQL and its extensions are installed according to https://github.com/pgcentralfoundation/pgrx
+
+
 ## Run Docker Image
 Download exp_data.zip from https://www.dropbox.com/scl/fi/xz4teosklwmfc5j4x2ug6/exp_data.zip?rlkey=5fk2ttib0zt49suyppcjhsrn2&dl=0
 and unzip the exp_data/ folder to a specific directory (path_to_exp_data_folder)