diff --git a/.gitattributes b/.gitattributes
index 365cb5d38777b707a2b296415f11cbb0957b5bd8..d19c7e5c23ba4d00afe6b7d293c43e9d623dc754 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -40638,3 +40638,78 @@ pdfs/AI/2017/1708_09337.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/AI/2017/1710_09721.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/AI/2017/1709_01989.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/AI/2017/1708_04878.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1704_05904.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1701_06972.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1707_08342.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1704_03396.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1711_10203.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1708_01060.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1710_04805.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1710_07924.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1710_09868.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1708_03704.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1712_05626.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1710_05944.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1708_04806.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1704_00797.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1711_01574.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1712_00846.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1708_01628.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2017/1704_00795.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_07441.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_02425.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_02815.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1907_05036.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1904_12218.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1910_08650.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1910_08646.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1911_08817.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1906_09324.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1902_08447.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1902_08684.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1911_07048.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1908_04344.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1910_02807.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1907_10589.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1906_05118.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1907_01959.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1906_09744.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1902_02495.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1903_07410.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1902_10086.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_09263.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_04075.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1902_02326.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_10170.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_10819.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1901_00298.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1907_09278.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1905_11931.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1908_10345.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_04019.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_05434.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1905_08871.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1911_05416.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_02775.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1908_11528.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1911_12426.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_05675.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1901_08361.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1904_12054.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_07866.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1901_03601.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1901_10442.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_12193.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1905_01520.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1905_08048.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1908_06660.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_09986.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1910_03344.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1909_07082.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1905_04071.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1911_06289.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1911_03332.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1901_05842.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1903_11323.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1901_08552.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/AI/2019/1912_01842.pdf filter=lfs diff=lfs merge=lfs -text
diff --git a/pdfs/AI/2017/1701_06972.pdf b/pdfs/AI/2017/1701_06972.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..cef347664cdc21d17e198db301ad4340e7df2531
--- /dev/null
+++ b/pdfs/AI/2017/1701_06972.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8213fd9903a1150e57ad970f60a814fa9bbe4f937b5d2505d7b16eb5169641d6
+size 841472
diff --git a/pdfs/AI/2017/1704_00795.pdf b/pdfs/AI/2017/1704_00795.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..817b4af7416d849c1b111b5111329386f052e757
--- /dev/null
+++ b/pdfs/AI/2017/1704_00795.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:90f474859ba868da1183bc83174a290532629065b955ce62f59e8a16e0a67295
+size 236468
diff --git a/pdfs/AI/2017/1704_00797.pdf b/pdfs/AI/2017/1704_00797.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4a77323c292f74be0ee6b165d7a4b38d706891fc
--- /dev/null
+++ b/pdfs/AI/2017/1704_00797.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38d7ce8040fb8f8a0c55ac24acd3c889e71b733ff358c447b6d32cb74a253d6f
+size 281592
diff --git a/pdfs/AI/2017/1704_03396.pdf b/pdfs/AI/2017/1704_03396.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..aed707841b67daae7909350f302fe09d0ceb97b3
--- /dev/null
+++ b/pdfs/AI/2017/1704_03396.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fa5d976bda7ff6d4f49e787d97d54f06bffb8d11cb716a93103a0c67e481d243
+size 169594
diff --git a/pdfs/AI/2017/1704_05904.pdf b/pdfs/AI/2017/1704_05904.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..0702418611b698c287682af24746ce7f40f3a459
--- /dev/null
+++ b/pdfs/AI/2017/1704_05904.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6bbed6282013b0936c1e24977cfe6a2d4f3d9a3c8efdc98c7f4515b96f05642d
+size 260736
diff --git a/pdfs/AI/2017/1707_08342.pdf b/pdfs/AI/2017/1707_08342.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7f90617c603f5930157f224056a2ddb57e15e29a
--- /dev/null
+++ b/pdfs/AI/2017/1707_08342.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1481968387aab7afb852775d04b18504648cb6378bb10b8663d66dc48ce623e1
+size 117396
diff --git a/pdfs/AI/2017/1708_01060.pdf b/pdfs/AI/2017/1708_01060.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d46d8e71bb18938fbb43281bdab82a047b31c5d6
--- /dev/null
+++ b/pdfs/AI/2017/1708_01060.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a738af797da3165fa02ed12935ad272fabdb8266ccb5350f5415893495e78421
+size 933558
diff --git a/pdfs/AI/2017/1708_01628.pdf b/pdfs/AI/2017/1708_01628.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5ce0b719626f576789808a6b14e0d1050f1133d3
--- /dev/null
+++ b/pdfs/AI/2017/1708_01628.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ca769a0bbc4600c8f87ba1da307e0ae58c9d51d3f1bf677fb11b57e0ee88f241
+size 1865854
diff --git a/pdfs/AI/2017/1708_03704.pdf b/pdfs/AI/2017/1708_03704.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d4f16e59e6a314be6653c997aed12005bccdbf46
--- /dev/null
+++ b/pdfs/AI/2017/1708_03704.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8e7ad93149fbc30d70d5d49b927e8641407daa777901a0dd1f088aa39b3c901
+size 134673
diff --git a/pdfs/AI/2017/1708_04806.pdf b/pdfs/AI/2017/1708_04806.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3bb44666b63e16908fbae56680892ae566aab042
--- /dev/null
+++ b/pdfs/AI/2017/1708_04806.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62cc37ed1c2a532815f4954798cc39eac59b609a70887d61e6ee022bcd65ead6
+size 988034
diff --git a/pdfs/AI/2017/1710_04805.pdf b/pdfs/AI/2017/1710_04805.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5ecc45346d0c16ef1f168ef7bcc4cf41190dcd25
--- /dev/null
+++ b/pdfs/AI/2017/1710_04805.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:868bdf8806c7960d21881398e25e911e913ede19e4c113a7e04285fe8f463704
+size 1097193
diff --git a/pdfs/AI/2017/1710_05944.pdf b/pdfs/AI/2017/1710_05944.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c5104795b2e057f83cfcec2e5c32b5aeee728564
--- /dev/null
+++ b/pdfs/AI/2017/1710_05944.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e9842f914c9c0cfb68fe1f5d37150ac29b8671e7e735ae6596307f2333c1fe3
+size 425348
diff --git a/pdfs/AI/2017/1710_07924.pdf b/pdfs/AI/2017/1710_07924.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4c87c4436eff44957dbe1edb4c0e8f742bf864fc
--- /dev/null
+++ b/pdfs/AI/2017/1710_07924.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f1662e5021ce58dd10c6bf932c2331c3352123476265c4def8c3d42047f40f19
+size 436561
diff --git a/pdfs/AI/2017/1710_09868.pdf b/pdfs/AI/2017/1710_09868.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f7269e846f9adb2ee73a156264db25312bb21dbb
--- /dev/null
+++ b/pdfs/AI/2017/1710_09868.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:403a550a84ae87ea54a21e5f3aa034a76021637a2171d8180b7dd9230cd38e31
+size 590344
diff --git a/pdfs/AI/2017/1711_01574.pdf b/pdfs/AI/2017/1711_01574.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fc72a328356d52a6d213eb6e440a12d27bd2e428
--- /dev/null
+++ b/pdfs/AI/2017/1711_01574.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a468a2726fc75a5e2de2e540570546d41670f1962445b0fdc1b3b4b3f6aee0f5
+size 518159
diff --git a/pdfs/AI/2017/1711_10203.pdf b/pdfs/AI/2017/1711_10203.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9d5b1241e3fd382b282213cf671336f675ad8535
--- /dev/null
+++ b/pdfs/AI/2017/1711_10203.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c00677e0d25abfe09d8778ed461f3baa57382d688532175f83c4cd8598405916
+size 1076899
diff --git a/pdfs/AI/2017/1712_00846.pdf b/pdfs/AI/2017/1712_00846.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..93823e2890e5dbbd82a850330737172faf9f1a40
--- /dev/null
+++ b/pdfs/AI/2017/1712_00846.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:edc4894a09104d079f97538f507b24155ec4ee823ab20478cc69841fa3d0d96b
+size 323692
diff --git a/pdfs/AI/2017/1712_05626.pdf b/pdfs/AI/2017/1712_05626.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7a3786d17a1fe283790fe00e7531922978cfbfa6
--- /dev/null
+++ b/pdfs/AI/2017/1712_05626.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5250881c81ebd3f12d049891faaa8225f84ea1fcbe9586c464f44b46d035702e
+size 310882
diff --git a/pdfs/AI/2019/1901_00298.pdf b/pdfs/AI/2019/1901_00298.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f064e4d47beefd8a7a8c8fcd3e60e9f4cf659bde
--- /dev/null
+++ b/pdfs/AI/2019/1901_00298.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:becbd4da2b71f167ec3bbee62c9b6de7fe15a5dda93cd4ab913161a5974b8a26
+size 187955
diff --git a/pdfs/AI/2019/1901_03601.pdf b/pdfs/AI/2019/1901_03601.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b5d723c14408b8613f70f45b6f72a9af4617c10f
--- /dev/null
+++ b/pdfs/AI/2019/1901_03601.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f34e3558dabd77813463ed9d4f5e940190b2b061796ca0c0d96f5aed7b7ffdf
+size 104506
diff --git a/pdfs/AI/2019/1901_05842.pdf b/pdfs/AI/2019/1901_05842.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..be05bcec801e6f08c08fa5a5961c2703a49e00a8
--- /dev/null
+++ b/pdfs/AI/2019/1901_05842.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ac6fcb5c1a57e8e535c384d0a00e848111d623b68263175022ab73e501b60781
+size 5886960
diff --git a/pdfs/AI/2019/1901_08361.pdf b/pdfs/AI/2019/1901_08361.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..360adfcc2daa9832f71152b62574875b26216f25
--- /dev/null
+++ b/pdfs/AI/2019/1901_08361.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f49edcf0fe338045b4d70e9c7806807ffc65962376ad6fac7aaee57dbc9066e4
+size 868530
diff --git a/pdfs/AI/2019/1901_08552.pdf b/pdfs/AI/2019/1901_08552.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..09fa34549dbf07c7ba1086e06839fe4b5ce4af18
--- /dev/null
+++ b/pdfs/AI/2019/1901_08552.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c11c9d9e4f0ee85e00a72041c7eee58e17f4b0f0abce2137603df3ff133272fa
+size 208755
diff --git a/pdfs/AI/2019/1901_10442.pdf b/pdfs/AI/2019/1901_10442.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c7811d5e85cbb20a17eb4a7b8b817ad31596d8be
--- /dev/null
+++ b/pdfs/AI/2019/1901_10442.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18f4f16be921a690d32456a1bed7d1a10d4a7ffa16cb4c7164d81747721259bf
+size 441574
diff --git a/pdfs/AI/2019/1902_02326.pdf b/pdfs/AI/2019/1902_02326.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7a485aa0e0e2dc24322fc1110e2529c6f03e6b25
--- /dev/null
+++ b/pdfs/AI/2019/1902_02326.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6cfc5dc41c48b1b56ea6abdc1733102834d62b187a591c831f86a96ab3c84fad
+size 436458
diff --git a/pdfs/AI/2019/1902_02495.pdf b/pdfs/AI/2019/1902_02495.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2784f8ead93a07c8834705d5bed196474d23d83a
--- /dev/null
+++ b/pdfs/AI/2019/1902_02495.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:888acc0471479c2a615247bc7a2e7ddc050fc66a533e5254c5caa4e4859a1273
+size 2094450
diff --git a/pdfs/AI/2019/1902_08447.pdf b/pdfs/AI/2019/1902_08447.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5c72e86cefc70d8bea429be553085f40091210e4
--- /dev/null
+++ b/pdfs/AI/2019/1902_08447.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:066de60b819337f2b873ba5b2ba1fcca7d1ff67ebedeec7fd264320355665ce9
+size 358335
diff --git a/pdfs/AI/2019/1902_08684.pdf b/pdfs/AI/2019/1902_08684.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..dd51339654018f831855ea3b1e76ad35b806827e
--- /dev/null
+++ b/pdfs/AI/2019/1902_08684.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f79eee37c80845b5ee91087952ad6770ff33f518ff5f259356e8253a9003a03
+size 647850
diff --git a/pdfs/AI/2019/1902_10086.pdf b/pdfs/AI/2019/1902_10086.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bc703116bc132e5f58a8a7335fd376332df05f49
--- /dev/null
+++ b/pdfs/AI/2019/1902_10086.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d250ac54067b6f58d9a07458d0b7a5cde005407fa391e24221f06375fe69de57
+size 590090
diff --git a/pdfs/AI/2019/1903_07410.pdf b/pdfs/AI/2019/1903_07410.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c3afbf6d06d66f026a12234543ead30a9db90ec8
--- /dev/null
+++ b/pdfs/AI/2019/1903_07410.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:640496000a5d004f3c1876f30b84c37fb73b52045259fe44dbf447688055a725
+size 729498
diff --git a/pdfs/AI/2019/1903_11323.pdf b/pdfs/AI/2019/1903_11323.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e66003d374b7cdda2067499760bb62834d286b81
--- /dev/null
+++ b/pdfs/AI/2019/1903_11323.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:78ccf8ba155a8c32b4b09001e4f34db8d1b9f3d320d91cc9f2086dd054f0b320
+size 887812
diff --git a/pdfs/AI/2019/1904_12054.pdf b/pdfs/AI/2019/1904_12054.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9b57550b32c62e2bf954b5415cdb9373e56ddd72
--- /dev/null
+++ b/pdfs/AI/2019/1904_12054.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a83c235c7231a96c3177da915657149bf155dff378f73245cbfefcf70458c25
+size 2144176
diff --git a/pdfs/AI/2019/1904_12218.pdf b/pdfs/AI/2019/1904_12218.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9e11200f273704889307fd30f9a20c3e88eb2307
--- /dev/null
+++ b/pdfs/AI/2019/1904_12218.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:946e627fd46bf172cf325ec2f5d660cb981bfca8a443f356f279498cd79eb1e2
+size 1634250
diff --git a/pdfs/AI/2019/1905_01520.pdf b/pdfs/AI/2019/1905_01520.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d9b50e77c4f20cc95d76a1032cf5f065bb3cd2cf
--- /dev/null
+++ b/pdfs/AI/2019/1905_01520.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:433f3664d86eeba1baf2c43fb814c170b8abde6f915d6856f915fe397ec9880f
+size 3789056
diff --git a/pdfs/AI/2019/1905_04071.pdf b/pdfs/AI/2019/1905_04071.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f46f983f9e02c996b204edca3f013f820078062d
--- /dev/null
+++ b/pdfs/AI/2019/1905_04071.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:854c06789c1099f4d3fa1f598ab5ccdafc5b4fe220642d467ac376d6b7ba5048
+size 926718
diff --git a/pdfs/AI/2019/1905_08048.pdf b/pdfs/AI/2019/1905_08048.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d8b325ec91fc9243d94fa0f0a4bd06cbd5fe90dc
--- /dev/null
+++ b/pdfs/AI/2019/1905_08048.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cef9396db59da032379a1c501766c2ad37277d38e747e3233e8075d9baccbaee
+size 311294
diff --git a/pdfs/AI/2019/1905_08871.pdf b/pdfs/AI/2019/1905_08871.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..40ea4a2f1197ba6d78f3a3c19d1da958ebed5c79
--- /dev/null
+++ b/pdfs/AI/2019/1905_08871.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ea3f0997eb7dea2704254e8018e50eaa675e56282c3c59a8dc5a13ba88bf5c7b
+size 1483948
diff --git a/pdfs/AI/2019/1905_11931.pdf b/pdfs/AI/2019/1905_11931.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..760311c7f39714c36d3a8a031aa1a352edd3c7f9
--- /dev/null
+++ b/pdfs/AI/2019/1905_11931.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91b6908fe6e245009c9c2b36acbc3a3ad8bd6f8c0fc42cb787d45c800f3d8ccd
+size 2747146
diff --git a/pdfs/AI/2019/1906_05118.pdf b/pdfs/AI/2019/1906_05118.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b61838b121687f83a1652ed8dc0c4eb5175cf24d
--- /dev/null
+++ b/pdfs/AI/2019/1906_05118.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:077605cbc718393a4642b5e0fa4d6060d93e8095c9fac479746eef150cf0ad25
+size 121544
diff --git a/pdfs/AI/2019/1906_09324.pdf b/pdfs/AI/2019/1906_09324.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..756d092865d49d92fb0b229adf62330a93b110d7
--- /dev/null
+++ b/pdfs/AI/2019/1906_09324.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:84c045516269b1a6f844f1131a1060f2f11d9c0d77c96af9058a8f64e540ccc1
+size 372935
diff --git a/pdfs/AI/2019/1906_09744.pdf b/pdfs/AI/2019/1906_09744.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..46a334a34784cce2c1a490c78f2c33692e5598dc
--- /dev/null
+++ b/pdfs/AI/2019/1906_09744.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:57e21d7a922c3721b917acb7150615d743a9e84a2b7245db32c3e1785990db53
+size 3906608
diff --git a/pdfs/AI/2019/1907_01959.pdf b/pdfs/AI/2019/1907_01959.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..54c625dc5ed522044d779a08ade73b52b070da42
--- /dev/null
+++ b/pdfs/AI/2019/1907_01959.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:431d80286819b0eb15778cfb71af06692e3434f5e8f7a53892c5874c74a4c98b
+size 895758
diff --git a/pdfs/AI/2019/1907_05036.pdf b/pdfs/AI/2019/1907_05036.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e26ceebaa57652291bf8c5596673565a8250b180
--- /dev/null
+++ b/pdfs/AI/2019/1907_05036.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f5d211e4c9e9fc140734afede3edae1452de4d3c4e3761dc15584c9cab645ff
+size 868334
diff --git a/pdfs/AI/2019/1907_09278.pdf b/pdfs/AI/2019/1907_09278.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e98480c13b6f11fbbe2230e066684370f182a122
--- /dev/null
+++ b/pdfs/AI/2019/1907_09278.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c67743b8b9975af8b7bfbf64e63cacee6836a5d0bd23088c8e9ef8b0e1ab2544
+size 749877
diff --git a/pdfs/AI/2019/1907_10589.pdf b/pdfs/AI/2019/1907_10589.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..6409ccaf5fadcb7f9deca0751bc02132660ad745
--- /dev/null
+++ b/pdfs/AI/2019/1907_10589.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c108eeb53e1fae1aa1f7ca20e43f7580337f6c2b9f49c1b9455bb9e4f1e02531
+size 881557
diff --git a/pdfs/AI/2019/1908_04344.pdf b/pdfs/AI/2019/1908_04344.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d20876840f11798ff636f0e067e52846382172f7
--- /dev/null
+++ b/pdfs/AI/2019/1908_04344.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:587a9b15dc61cd06e5713ef35a18bbc4a546cbff97cc9da51b9405160db0234b
+size 6222022
diff --git a/pdfs/AI/2019/1908_06660.pdf b/pdfs/AI/2019/1908_06660.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d374555e4eb0418f8d5fef4e0caf047ba9bd687e
--- /dev/null
+++ b/pdfs/AI/2019/1908_06660.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:903843c8e9a7e78c9c1ac5b0fe5ff5e814c48c83d7a723b5292eaff5bab3a54a
+size 1934025
diff --git a/pdfs/AI/2019/1908_10345.pdf b/pdfs/AI/2019/1908_10345.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..88140dea737c8cd3802b1d970acb2310d554d28b
--- /dev/null
+++ b/pdfs/AI/2019/1908_10345.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:07f3dc87378a90f65328420f73bd4de653c098cec56587b06d355e2865e0730c
+size 478483
diff --git a/pdfs/AI/2019/1908_11528.pdf b/pdfs/AI/2019/1908_11528.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..67b7f2ab333e8eca69f4060329f7584f5befca2d
--- /dev/null
+++ b/pdfs/AI/2019/1908_11528.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9695f583d1ae94aee59204fd607d316898c37bace4a2c19d068b691abb5ef54e
+size 596027
diff --git a/pdfs/AI/2019/1909_02425.pdf b/pdfs/AI/2019/1909_02425.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..61e67d1bd3aec613cbacf888004d8357830e5f47
--- /dev/null
+++ b/pdfs/AI/2019/1909_02425.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d3e6c8effd3e0cf02d5c80d154e9c9ae22be2d1d24ddc4eb36fc3347a4d3a4b6
+size 321587
diff --git a/pdfs/AI/2019/1909_02815.pdf b/pdfs/AI/2019/1909_02815.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..778c3a70240e5e378020f7601da6f642dfe9183e
--- /dev/null
+++ b/pdfs/AI/2019/1909_02815.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98928ab686ee4d24f414cb7895a419506d340e07ded035e6fee2a396d8857f3a
+size 215159
diff --git a/pdfs/AI/2019/1909_04019.pdf b/pdfs/AI/2019/1909_04019.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8b78b591e24a5eee439c13a61e304ea0f298651e
--- /dev/null
+++ b/pdfs/AI/2019/1909_04019.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:51acdd80811a79ca0f3ea9b8aef3c59b6d4778e606cd29d64e81da5179956145
+size 2062516
diff --git a/pdfs/AI/2019/1909_05675.pdf b/pdfs/AI/2019/1909_05675.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3dbc079287b8dc0cb595ad603505b49d3fd9f97a
--- /dev/null
+++ b/pdfs/AI/2019/1909_05675.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6cc496a546dfb586c7791051b28c3b945afd075a7d7c534fe51840b2fabad9ab
+size 910390
diff --git a/pdfs/AI/2019/1909_07082.pdf b/pdfs/AI/2019/1909_07082.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..0429d6c0e42060efe5959ab75b956009c41d24c8
--- /dev/null
+++ b/pdfs/AI/2019/1909_07082.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:348a1e9f6b4346220f903d664d4b099175d08d8e057014e3aa5aab58f508fdff
+size 495904
diff --git a/pdfs/AI/2019/1909_07866.pdf b/pdfs/AI/2019/1909_07866.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..016098255b0809537c8354c94841e775fe67f5ed
--- /dev/null
+++ b/pdfs/AI/2019/1909_07866.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebe42a2ba3128d3995de294abdc2b594cf5b048d245ad9956b8ca92a1db781bc
+size 1853018
diff --git a/pdfs/AI/2019/1909_09263.pdf b/pdfs/AI/2019/1909_09263.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..0804ba0cd500668996f563615b23706aa4d1e7bd
--- /dev/null
+++ b/pdfs/AI/2019/1909_09263.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9debc791def393a463c80c96f8b1863fa9b5230572db53d85cd0058b46d43234
+size 755098
diff --git a/pdfs/AI/2019/1910_02807.pdf b/pdfs/AI/2019/1910_02807.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ef1f02dadad85bcb319a2f1481279d2578eb28ce
--- /dev/null
+++ b/pdfs/AI/2019/1910_02807.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9eb6a6279fa3c6333e4e3030a2af2ae74ba4f09d40c0a095f6fef4e698f90e05
+size 219265
diff --git a/pdfs/AI/2019/1910_03344.pdf b/pdfs/AI/2019/1910_03344.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3ebd653b02ea842dac4e5f09f1e9d2f9b3c73025
--- /dev/null
+++ b/pdfs/AI/2019/1910_03344.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59f65c530acd85f1a9e9baa0cb0ace217fa85e085141a932420893124d81c3bf
+size 500222
diff --git a/pdfs/AI/2019/1910_08646.pdf b/pdfs/AI/2019/1910_08646.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..02675f76f86b620e921cb06cb4830390c806af5b
--- /dev/null
+++ b/pdfs/AI/2019/1910_08646.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fb86e802eb31c7e0e7cbc708e08a699629c91aa8706e5da666573674e933fc1
+size 112779
diff --git a/pdfs/AI/2019/1910_08650.pdf b/pdfs/AI/2019/1910_08650.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..50e6c6214fef9f08cedfe96a5d4677b5c08570e0
--- /dev/null
+++ b/pdfs/AI/2019/1910_08650.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f9b171fadd00e3763915455f3d38aa36d89e7851ce78cbb13dfdeaa232b24e90
+size 1066890
diff --git a/pdfs/AI/2019/1911_03332.pdf b/pdfs/AI/2019/1911_03332.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3cdf7d3a2564268e916b7395218a2e10d08cc93c
--- /dev/null
+++ b/pdfs/AI/2019/1911_03332.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52dbe1e7612af3fab36cf7b92678d8765f8261dc1eb0f34f01482edd5de630fb
+size 1009366
diff --git a/pdfs/AI/2019/1911_05416.pdf b/pdfs/AI/2019/1911_05416.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..648d66a614226031dbebbbf5342faf7ffd564287
--- /dev/null
+++ b/pdfs/AI/2019/1911_05416.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f8af00e881652b473966a7545c2614827ddfd8a891eac2bc4c23c699b79bc285
+size 522375
diff --git a/pdfs/AI/2019/1911_06289.pdf b/pdfs/AI/2019/1911_06289.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d158594d0a7e51d1f0749ad114363d37f0307c4c
--- /dev/null
+++ b/pdfs/AI/2019/1911_06289.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:06c001c1a62c393b07955b01971a50079e0139ee414774bdf732ba3f643ae54f
+size 311100
diff --git a/pdfs/AI/2019/1911_07048.pdf b/pdfs/AI/2019/1911_07048.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..de07cee6522be3abfea6a5d14bb6af3d14f621dc
--- /dev/null
+++ b/pdfs/AI/2019/1911_07048.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:955273a9a0bd9c0b9b45739eda9725323710309d3a068c4a0c23f0437a7448f2
+size 347934
diff --git a/pdfs/AI/2019/1911_08817.pdf b/pdfs/AI/2019/1911_08817.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..34b37ca345f4a110c0dffe2bc010ec0c1f3ab2a4
--- /dev/null
+++ b/pdfs/AI/2019/1911_08817.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d677bcc34cec3a89843f028aadc1b6e3530a404fcd8746b35208e9e70286175
+size 637180
diff --git a/pdfs/AI/2019/1911_12426.pdf b/pdfs/AI/2019/1911_12426.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..792358b8284766932948013615051a2eed14f0b6
--- /dev/null
+++ b/pdfs/AI/2019/1911_12426.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:22cd4333e80830622d362fbcf74e1d55cc4a8ef3f653dd1f1cdd94c7438670d0
+size 1302131
diff --git a/pdfs/AI/2019/1912_01842.pdf b/pdfs/AI/2019/1912_01842.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d8eaacfcf9108c51d52bbb2c062d9f4fab266c4e
--- /dev/null
+++ b/pdfs/AI/2019/1912_01842.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6022d4dd37bd74f14e351b380b89ffb04780ae381a73ae92ee825d3342fc07fc
+size 5060998
diff --git a/pdfs/AI/2019/1912_02775.pdf b/pdfs/AI/2019/1912_02775.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..85bd6dc54b7a9f615e1dfddea5207dbccdcebf4a
--- /dev/null
+++ b/pdfs/AI/2019/1912_02775.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3b09e61c2c9628f8c47fc40273eaaed5e8939124c5d12c0735867af905cf940
+size 1093276
diff --git a/pdfs/AI/2019/1912_04075.pdf b/pdfs/AI/2019/1912_04075.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5bfa9513b67dd4f49edfb919ef19dd6d029a2d66
--- /dev/null
+++ b/pdfs/AI/2019/1912_04075.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54d0586e0a42986f2b73226e7242c7e813c0ae77630c6dd334d6200052443011
+size 527955
diff --git a/pdfs/AI/2019/1912_05434.pdf b/pdfs/AI/2019/1912_05434.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..174d09b193b421e236307d1f9bc9fa329a5afd63
--- /dev/null
+++ b/pdfs/AI/2019/1912_05434.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:34bd4a630a5309c406eab94a7bda4f879019a18f008033dfc274913e58556354
+size 493301
diff --git a/pdfs/AI/2019/1912_07441.pdf b/pdfs/AI/2019/1912_07441.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9525c384456b376bcade11ec9a899e5d9689f180
--- /dev/null
+++ b/pdfs/AI/2019/1912_07441.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8500868222bf43bcf2374d1bc20a13de1b426dcdeb9e2b3dc90c2ce309f32817
+size 1357376
diff --git a/pdfs/AI/2019/1912_09986.pdf b/pdfs/AI/2019/1912_09986.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..58429de6c72ddfe72595ecea9ce273d28d96acba
--- /dev/null
+++ b/pdfs/AI/2019/1912_09986.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e852973dbfa846256bca8a291b5290d7d9777468f1e5ddb33f5443c3fba7f80
+size 689702
diff --git a/pdfs/AI/2019/1912_10170.pdf b/pdfs/AI/2019/1912_10170.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..6ec22139dafe1993658304caed237d1d7d066cf1
--- /dev/null
+++ b/pdfs/AI/2019/1912_10170.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2c6e22b18a652ea6bd7a565e6f627b451d586f83440dac2adff612f248245373
+size 466700
diff --git a/pdfs/AI/2019/1912_10819.pdf b/pdfs/AI/2019/1912_10819.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..707c05cf72b67e0f1484e0f82bd6fe23c1cd61d8
--- /dev/null
+++ b/pdfs/AI/2019/1912_10819.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3874a39ffefa214d44eb630bb1912dd5d4c6403d20822dcf98e8669065ef9a8e
+size 1799012
diff --git a/pdfs/AI/2019/1912_12193.pdf b/pdfs/AI/2019/1912_12193.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..57647f236b695339e7779318d60c09bd0b1e03cc
--- /dev/null
+++ b/pdfs/AI/2019/1912_12193.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d462cd72420c3a784cb7b4108b6be9175acfd9b743eaa4da1a7e085e91e15199
+size 390410