diff --git a/data/Topic Tree/top_k.json b/data/Topic Tree/top_k.json
new file mode 100644
index 0000000..8592c99
--- /dev/null
+++ b/data/Topic Tree/top_k.json	
@@ -0,0 +1,1030 @@
+{
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+}
\ No newline at end of file
diff --git a/data/Topic Tree/top_k_rev.json b/data/Topic Tree/top_k_rev.json
new file mode 100644
index 0000000..3a39588
--- /dev/null
+++ b/data/Topic Tree/top_k_rev.json	
@@ -0,0 +1,148 @@
+{
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+  "302": "Cities-and-Towns-of-New-York-Greater-Metropolitan-Area",
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+  "39": "Fiction-Genres",
+  "40": "Object-Oriented-Programming",
+  "41": "Marketing-in-Specific-Fields",
+  "42": "The-Coca-Cola-Company",
+  "43": "Ecuador",
+  "44": "Cities-and-Towns-of-Grafton-County-NH",
+  "45": "Star-Trek-creative-franchise",
+  "46": "University-of-Oxford",
+  "47": "States-of-the-USA",
+  "48": "Gardening",
+  "49": "Tunisia",
+  "50": "Specific-TV-Series-in-the-United-States-in-the-2000s",
+  "51": "Horror-Movies",
+  "52": "Visiting-and-Travel-1",
+  "53": "British-Monarchy",
+  "54": "Nepal",
+  "55": "Politics-of-India-1",
+  "56": "Colleges-and-Universities-in-Italy",
+  "57": "MLB-Teams",
+  "58": "Cities-and-Towns-in-Punjab",
+  "59": "Amazon-company",
+  "60": "Cities-and-Towns-in-Mexico",
+  "61": "Writers-and-Authors",
+  "62": "Los-Angeles-CA",
+  "63": "Software-Engineering",
+  "64": "Movies-Released-in-1992",
+  "65": "Animals",
+  "66": "Neighborhoods-in-San-Francisco",
+  "67": "Specific-Characters-of-the-Marvel-Cinematic-Universe",
+  "68": "Brands-and-Branding",
+  "69": "U-S-State-Capitals",
+  "70": "Spain",
+  "71": "Culture-of-the-United-States-of-America-1",
+  "72": "Culture-of-Japan",
+  "73": "Human-Body-2",
+  "74": "Colleges-and-Universities-in-France",
+  "75": "Market-Research-Analysis-Advisory-Consulting-Firms",
+  "76": "Major-Cities-in-Africa",
+  "77": "Schools-in-India-1",
+  "78": "Cities-and-Towns-in-the-Netherlands",
+  "79": "Software-as-a-Service-SaaS",
+  "80": "Universities-and-Colleges-in-Australia",
+  "81": "Microsoft-Products-and-Services",
+  "82": "Russia",
+  "83": "Cities-and-Towns-of-Los-Angeles-County-CA",
+  "84": "Specific-Types-of-Photography",
+  "85": "Television-Dramas",
+  "86": "Cities-and-Towns-in-Gujarat",
+  "87": "Colleges-and-Universities-in-Germany",
+  "88": "NFL-Quarterbacks",
+  "89": "Twitter-product-1",
+  "90": "Public-Universities-in-France",
+  "91": "Specific-TV-Series-in-the-United-States-in-the-2010s",
+  "92": "Specific-Chemical-Elements",
+  "93": "Cities-and-Towns-in-Kerala",
+  "94": "Web-Development",
+  "95": "Counties-of-California",
+  "96": "Neighborhoods-in-Los-Angeles",
+  "97": "Cities-and-Towns-in-Maharashtra",
+  "98": "History-of-the-United-States-1",
+  "99": "Consumer-Internet-Services",
+  "612": "Movies-Released-in-2003",
+  "101": "Cities-and-Towns-in-France",
+  "102": "Database-Systems",
+  "103": "Universities-and-Colleges-in-India",
+  "104": "Specific-Car-Companies",
+  "105": "Cities-and-Towns-in-Oklahoma",
+  "106": "Specific-Jobs-and-Careers",
+  "107": "Movies-to-be-Released-in-2017",
+  "108": "Neighborhoods-in-Chicago",
+  "110": "Cities-and-Towns-of-San-Francisco-Greater-Metropolitan-Area",
+  "111": "Poets",
+  "112": "Google-Acquisitions",
+  "113": "Specific-Quora-Features",
+  "114": "Cuisine-1",
+  "115": "Specific-Types-of-Marketing",
+  "116": "Forum-for-Indian-Institute-of-Technology-Joint-Entrance-Examination",
+  "117": "Specific-Types-of-Startups",
+  "118": "Cities-and-Towns-in-Michigan-1",
+  "617": "Movies-Released-in-2013",
+  "120": "Cities-and-Towns-in-Alaska",
+  "121": "Colleges-and-Universities-in-Maharashtra",
+  "122": "Safety",
+  "125": "Music-Genres",
+  "128": "Specific-Airlines",
+  "129": "San-Francisco-CA",
+  "130": "Cities-and-Towns-in-Pennsylvania",
+  "131": "Cities-and-Towns-in-Italy",
+  "132": "Cities-and-Towns-in-Colorado-1",
+  "134": "Graduate-Education-in-Specific-Subjects",
+  "135": "Cities-and-Towns-in-Arkansas",
+  "136": "Clothing-Retailers",
+  "137": "Technology-Companies",
+  "138": "Specific-College-Majors",
+  "141": "Television-Series",
+  "148": "Cities-and-Towns-in-Illinois-1",
+  "149": "Business-Schools-in-India",
+  "151": "Cities-and-Towns-in-Wisconsin",
+  "153": "Cities-and-Towns-in-New-Jersey",
+  "154": "Drug-and-Pharmaceutical-Companies",
+  "156": "Neighborhoods-in-Minneapolis",
+  "157": "Learning-About-Specific-Subjects",
+  "159": "Cities-and-Towns-in-Virginia",
+  "160": "Cities-and-Towns-of-Los-Angeles-Greater-Metropolitan-Area",
+  "163": "Cities-and-Towns-in-Connecticut",
+  "678": "Movies-Released-in-2010",
+  "168": "Cities-and-Towns-in-Texas",
+  "172": "Cities-and-Towns-in-Washington-1",
+  "175": "Online-Social-Networks",
+  "179": "Specific-Capital-Cities",
+  "695": "Movies-Released-in-2004",
+  "184": "Movie-Directors",
+  "185": "Counties-of-Texas",
+  "186": "Movies-Released-in-2016",
+  "188": "Specific-American-Authors",
+  "191": "Cities-and-Towns-in-Georgia-1",
+  "192": "Google-Products-and-Services",
+  "100": "Working-at-X",
+  "198": "Specific-Quora-Users",
+  "714": "Movies-Released-in-2006",
+  "204": "Colleges-and-Universities-in-the-United-Kingdom",
+  "718": "Movies-Released-in-2011",
+  "463": "Cities-and-Towns-in-California-1",
+  "208": "Major-General-News-Stories-in-2012",
+  "210": "Hip-Hop-and-Rap-Artists",
+  "214": "What-X-Questions",
+  "728": "Movies-Released-in-2012",
+  "218": "Specific-SaaS-Products-and-Services",
+  "221": "Startups-to-Be-Sorted-by-Category",
+  "604": "Movies-Released-in-2000",
+  "226": "Major-General-News-Stories-in-2013",
+  "228": "Cities-and-Towns-in-New-York-1",
+  "294": "Movies-Released-in-2015",
+  "490": "Specific-Actors-and-Actresses-of-the-United-States-of-America",
+  "564": "Movies-Released-in-2002",
+  "749": "Movies-Released-in-2005",
+  "758": "Movies-Released-in-2009",
+  "315": "Movies-Released-in-2014",
+  "765": "Movies-Released-in-2007",
+  "767": "Movies-Released-in-2008"
+}
\ No newline at end of file