diff --git a/flows.json b/flows.json
index ba2a5cd8..5ce4ae07 100644
--- a/flows.json
+++ b/flows.json
@@ -1,11 +1,4 @@
 [
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-        "type": "tab",
-        "label": "Flow 1",
-        "disabled": false,
-        "info": ""
-    },
     {
         "id": "e677d300.d1d95",
         "type": "tab",
@@ -27,6 +20,20 @@
         "disabled": false,
         "info": ""
     },
+    {
+        "id": "3645fb833bf0fede",
+        "type": "tab",
+        "label": "Gregory | Machine Learning",
+        "disabled": false,
+        "info": ""
+    },
+    {
+        "id": "9297a3d188e4e9d4",
+        "type": "tab",
+        "label": "Gregory | SQLite CRUD",
+        "disabled": false,
+        "info": ""
+    },
     {
         "id": "acf883d8.84eea",
         "type": "subflow",
@@ -59,6 +66,39 @@
         "env": [],
         "color": "#DDAA99"
     },
+    {
+        "id": "d353eec5835441c0",
+        "type": "subflow",
+        "name": "throttle requests",
+        "info": "",
+        "category": "",
+        "in": [
+            {
+                "x": 120,
+                "y": 160,
+                "wires": [
+                    {
+                        "id": "eb444d3ffa4f324c"
+                    }
+                ]
+            }
+        ],
+        "out": [
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+                "y": 160,
+                "wires": [
+                    {
+                        "id": "d5716d48a6a85ee3",
+                        "port": 0
+                    }
+                ]
+            }
+        ],
+        "env": [],
+        "meta": {},
+        "color": "#DDAA99"
+    },
     {
         "id": "e3876559.c845b8",
         "type": "tls-config",
@@ -194,16 +234,6 @@
         "disabled": false,
         "hidden": false
     },
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-        "id": "3cc11d24.ff01a2",
-        "type": "comment",
-        "z": "f6f2187d.f17ca8",
-        "name": "WARNING: please check you have started this container with a volume that is mounted to /data\\n otherwise any flow changes are lost when you redeploy or upgrade the container\\n (e.g. upgrade to a more recent node-red docker image).\\n  If you are using named volumes you can ignore this warning.\\n Double click or see info side panel to learn how to start Node-RED in Docker to save your work",
-        "info": "\nTo start docker with a bind mount volume (-v option), for example:\n\n```\ndocker run -it -p 1880:1880 -v /home/user/node_red_data:/data --name mynodered nodered/node-red\n```\n\nwhere `/home/user/node_red_data` is a directory on your host machine where you want to store your flows.\n\nIf you do not do this then you can experiment and redploy flows, but if you restart or upgrade the container the flows will be disconnected and lost. \n\nThey will still exist in a hidden data volume, which can be recovered using standard docker techniques, but that is much more complex than just starting with a named volume as described above.",
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-        "y": 80,
-        "wires": []
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@@ -4404,7 +4434,7 @@
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-                "to": "{\"from\":\"Gregory <gregory@mg.brunoamaral.net>\",\"to\":\"labs@mg.brunoamaral.net\",\"subject\":\"Gregory  Admin Summary\",\"multipart\":true}",
+                "to": "{\"from\":\"Gregory <gregory@gregory-ms.com>\",\"to\":\"labs@mg.brunoamaral.net\",\"subject\":\"Gregory  Admin Summary\",\"multipart\":true}",
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@@ -4509,7 +4539,7 @@
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-                "to": "{\"from\":\"Gregory <gregory@mg.brunoamaral.net>\",\"to\":\"subscribers@mg.brunoamaral.net\",\"subject\":\"Gregory  Weekly Summary\",\"multipart\":true}",
+                "to": "{\"from\":\"Gregory <gregory@gregory-ms.com>\",\"to\":\"subscribers@mg.brunoamaral.net\",\"subject\":\"Gregory  Weekly Summary\",\"multipart\":true}",
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         "statusCode": "",
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         "wires": [
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         "y": 660,
         "wires": [
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+            [
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+            ]
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@@ -5454,7 +5486,7 @@
         "rateUnits": "minute",
         "randomFirst": "12",
         "randomLast": "15",
-        "randomUnits": "hours",
+        "randomUnits": "seconds",
         "drop": false,
         "allowrate": false,
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@@ -5478,7 +5510,7 @@
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@@ -5578,7 +5610,7 @@
         "query": "SELECT\n\t*\nFROM\n\tarticles\nWHERE\n\ttitle LIKE (?);",
         "vars": "keyword",
         "outField": "topic",
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@@ -5665,7 +5697,7 @@
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@@ -5681,7 +5713,7 @@
         "query": "SELECT\n\t*\nFROM\n\ttrials\nWHERE\n\ttitle LIKE (?);",
         "vars": "keyword",
         "outField": "topic",
-        "x": 510,
+        "x": 790,
         "y": 840,
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@@ -5702,95 +5734,7 @@
         "y": 900,
         "wires": [
             [
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-    {
-        "id": "2edfa449a679e171",
-        "type": "http request",
-        "z": "ed1d968f509a241a",
-        "name": "",
-        "method": "POST",
-        "ret": "txt",
-        "paytoqs": "body",
-        "url": "https://api.brunoamaral.net/articles/related/",
-        "tls": "e3876559.c845b8",
-        "persist": false,
-        "proxy": "",
-        "authType": "",
-        "x": 250,
-        "y": 1200,
-        "wires": [
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-    {
-        "id": "10c19e28eee52ded",
-        "type": "inject",
-        "z": "ed1d968f509a241a",
-        "name": "",
-        "props": [
-            {
-                "p": "payload"
-            },
-            {
-                "p": "topic",
-                "vt": "str"
-            }
-        ],
-        "repeat": "",
-        "crontab": "",
-        "once": false,
-        "onceDelay": 0.1,
-        "topic": "",
-        "payload": "{\"keywords\":[\"mTOR\",\"Regulates Metabolic Function\",\"Oligodendrocyte Precursor Cells\",\"Promotes Efficient Brain Remyelination\",\"the Cuprizone Model\"]}",
-        "payloadType": "str",
-        "x": 100,
-        "y": 1200,
-        "wires": [
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-                "2edfa449a679e171"
-            ]
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-    },
-    {
-        "id": "7e1b0e11c22af05a",
-        "type": "http response",
-        "z": "ed1d968f509a241a",
-        "name": "",
-        "statusCode": "",
-        "headers": {},
-        "x": 570,
-        "y": 1200,
-        "wires": []
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-    {
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-        "type": "change",
-        "z": "ed1d968f509a241a",
-        "name": "",
-        "rules": [
-            {
-                "t": "set",
-                "p": "payload",
-                "pt": "msg",
-                "to": "ok",
-                "tot": "str"
-            }
-        ],
-        "action": "",
-        "property": "",
-        "from": "",
-        "to": "",
-        "reg": false,
-        "x": 420,
-        "y": 1200,
-        "wires": [
-            [
-                "7e1b0e11c22af05a"
+                "999e2deb414d9ce8"
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     },
@@ -5802,7 +5746,7 @@
         "query": "SELECT  * FROM articles where article_id = ? ORDER BY article_id DESC;",
         "vars": "req.params.id",
         "outField": "topic",
-        "x": 610,
+        "x": 690,
         "y": 200,
         "wires": [
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@@ -5818,7 +5762,7 @@
         "query": "SELECT  * FROM articles where source = ? ORDER BY article_id DESC;",
         "vars": "req.params.source",
         "outField": "topic",
-        "x": 610,
+        "x": 690,
         "y": 320,
         "wires": [
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@@ -5834,7 +5778,7 @@
         "query": "SELECT  * FROM articles WHERE discovery_date LIKE ? ORDER BY article_id DESC;",
         "vars": "date",
         "outField": "topic",
-        "x": 610,
+        "x": 770,
         "y": 400,
         "wires": [
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@@ -5861,7 +5805,7 @@
         "from": "",
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         "reg": false,
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@@ -5877,7 +5821,7 @@
         "query": "UPDATE articles\nSET relevant = \"0\"\nWHERE article_id = ?;",
         "vars": "req.params.id",
         "outField": "topic",
-        "x": 430,
+        "x": 530,
         "y": 540,
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@@ -5893,7 +5837,7 @@
         "query": "UPDATE articles\nSET relevant = \"1\"\nWHERE article_id = ?;",
         "vars": "req.params.id",
         "outField": "topic",
-        "x": 430,
+        "x": 530,
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@@ -5909,7 +5853,7 @@
         "query": "SELECT  * FROM articles where article_id = ? ORDER BY article_id DESC;",
         "vars": "req.params.id",
         "outField": "topic",
-        "x": 430,
+        "x": 530,
         "y": 660,
         "wires": [
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@@ -5928,7 +5872,7 @@
         "syntax": "mustache",
         "template": "select * from articles\nwhere\n(title = \"\")\n{{#keywords}}\nOR (title like \"%{{.}}%\")\n{{/keywords}}\n;",
         "output": "str",
-        "x": 510,
+        "x": 790,
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@@ -5936,35 +5880,6 @@
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-        "type": "inject",
-        "z": "ed1d968f509a241a",
-        "name": "",
-        "props": [
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-            },
-            {
-                "p": "topic",
-                "vt": "str"
-            }
-        ],
-        "repeat": "",
-        "crontab": "",
-        "once": false,
-        "onceDelay": 0.1,
-        "topic": "",
-        "payload": "{\"keywords\":[\"mTOR\",\"Regulates Metabolic Function\",\"Oligodendrocyte Precursor Cells\",\"Promotes Efficient Brain Remyelination\",\"the Cuprizone Model\"]}",
-        "payloadType": "json",
-        "x": 90,
-        "y": 1140,
-        "wires": [
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         "type": "function",
@@ -5976,7 +5891,7 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 360,
+        "x": 640,
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         "wires": [
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@@ -5991,7 +5906,7 @@
         "name": "",
         "statusCode": "",
         "headers": {},
-        "x": 1190,
+        "x": 1470,
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         "wires": []
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@@ -6003,7 +5918,7 @@
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         "pretty": false,
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@@ -6037,7 +5952,7 @@
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         "reg": false,
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@@ -6126,7 +6041,7 @@
         "fieldType": "msg",
         "format": "handlebars",
         "syntax": "mustache",
-        "template": "Please visit <a href=\"https://gregory-ms.com\">https://gregory-ms.com</a>",
+        "template": "<h1>Please visit <a href=\"https://gregory-ms.com\">https://gregory-ms.com</a></h1>",
         "output": "str",
         "x": 340,
         "y": 60,
@@ -6135,5 +6050,1154 @@
                 "a4333998a0213cbc"
             ]
         ]
+    },
+    {
+        "id": "70b6e3e4a833d450",
+        "type": "inject",
+        "z": "3645fb833bf0fede",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            }
+        ],
+        "repeat": "1200",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "https://api.gregory-ms.com/articles/prediction/none",
+        "payloadType": "str",
+        "x": 90,
+        "y": 180,
+        "wires": [
+            [
+                "147fc09265d87c6d"
+            ]
+        ]
+    },
+    {
+        "id": "342bd369d2e46572",
+        "type": "json",
+        "z": "3645fb833bf0fede",
+        "name": "",
+        "property": "payload",
+        "action": "",
+        "pretty": false,
+        "x": 630,
+        "y": 180,
+        "wires": [
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+    },
+    {
+        "id": "1984f34ca59fb1ec",
+        "type": "sqlite",
+        "z": "3645fb833bf0fede",
+        "mydb": "9ccc1658.e12858",
+        "sqlquery": "msg.topic",
+        "sql": "",
+        "name": "",
+        "x": 670,
+        "y": 80,
+        "wires": [
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+    {
+        "id": "7d35621d66992c95",
+        "type": "http in",
+        "z": "3645fb833bf0fede",
+        "name": "",
+        "url": "/articles/prediction/none",
+        "method": "get",
+        "upload": false,
+        "swaggerDoc": "",
+        "x": 140,
+        "y": 80,
+        "wires": [
+            [
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+        ]
+    },
+    {
+        "id": "c033cc4b1874ff5c",
+        "type": "change",
+        "z": "3645fb833bf0fede",
+        "name": "get articles with no prediction",
+        "rules": [
+            {
+                "t": "set",
+                "p": "topic",
+                "pt": "msg",
+                "to": "select * from articles where ml_prediction_gnb is null OR ml_prediction_lr is null OR ml_prediction_gnb = '' OR ml_prediction_lr = '' ;",
+                "tot": "str"
+            }
+        ],
+        "action": "",
+        "property": "",
+        "from": "",
+        "to": "",
+        "reg": false,
+        "x": 410,
+        "y": 80,
+        "wires": [
+            [
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+        ]
+    },
+    {
+        "id": "31d9cd8cc41435ee",
+        "type": "http response",
+        "z": "3645fb833bf0fede",
+        "name": "",
+        "statusCode": "",
+        "headers": {},
+        "x": 950,
+        "y": 80,
+        "wires": []
+    },
+    {
+        "id": "7bb82dec22cc7b9d",
+        "type": "json",
+        "z": "3645fb833bf0fede",
+        "name": "",
+        "property": "payload",
+        "action": "",
+        "pretty": false,
+        "x": 830,
+        "y": 80,
+        "wires": [
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+    {
+        "id": "076aeb0139c0cbfd",
+        "type": "template",
+        "z": "3645fb833bf0fede",
+        "name": "",
+        "field": "topic",
+        "fieldType": "msg",
+        "format": "sql",
+        "syntax": "mustache",
+        "template": "{{#payload.models.gnb}}\nUPDATE articles SET ml_prediction_gnb = {{prediction}} WHERE article_id = {{article_id}};\n{{/payload.models.gnb}}\n\n{{#payload.models.lr}}\nUPDATE articles SET ml_prediction_lr = {{prediction}} WHERE article_id = {{article_id}};\n{{/payload.models.lr}}",
+        "output": "str",
+        "x": 820,
+        "y": 180,
+        "wires": [
+            [
+                "3dbb2d48968a27a1"
+            ]
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+    },
+    {
+        "id": "147fc09265d87c6d",
+        "type": "exec",
+        "z": "3645fb833bf0fede",
+        "command": "/usr/bin/python3 /python-ml/3_predict.py ",
+        "addpay": "payload",
+        "append": "",
+        "useSpawn": "false",
+        "timer": "",
+        "winHide": false,
+        "oldrc": false,
+        "name": "",
+        "x": 360,
+        "y": 180,
+        "wires": [
+            [
+                "342bd369d2e46572"
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+            []
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