diff --git a/app/corpora/cqi_over_socketio/cqi.py b/app/corpora/cqi_over_socketio/cqi.py
index 9d0fbfd6..402b6283 100644
--- a/app/corpora/cqi_over_socketio/cqi.py
+++ b/app/corpora/cqi_over_socketio/cqi.py
@@ -18,8 +18,8 @@ def cqi_connect(cqi_client: cqi.CQiClient):
             'msg': 'Internal Server Error',
             'payload': {'code': e.args[0], 'desc': e.args[1]}
         }
-    payload = {'code': cqi_status,
-               'msg': cqi.api.specification.lookup[cqi_status]}
+    payload = {'code': cqi_status.code,
+               'msg': cqi_status.__class__.__name__}
     return {'code': 200, 'msg': 'OK', 'payload': payload}
 
 
@@ -28,8 +28,8 @@ def cqi_connect(cqi_client: cqi.CQiClient):
 @cqi_over_socketio
 def cqi_disconnect(cqi_client: cqi.CQiClient):
     cqi_status = cqi_client.disconnect()
-    payload = {'code': cqi_status,
-               'msg': cqi.api.specification.lookup[cqi_status]}
+    payload = {'code': cqi_status.code,
+               'msg': cqi_status.__class__.__name__}
     return {'code': 200, 'msg': 'OK', 'payload': payload}
 
 
@@ -38,6 +38,6 @@ def cqi_disconnect(cqi_client: cqi.CQiClient):
 @cqi_over_socketio
 def cqi_ping(cqi_client: cqi.CQiClient):
     cqi_status = cqi_client.ping()
-    payload = {'code': cqi_status,
-               'msg': cqi.api.specification.lookup[cqi_status]}
+    payload = {'code': cqi_status.code,
+               'msg': cqi_status.__class__.__name__}
     return {'code': 200, 'msg': 'OK', 'payload': payload}
diff --git a/app/corpora/cqi_over_socketio/cqi_corpora_corpus.py b/app/corpora/cqi_over_socketio/cqi_corpora_corpus.py
index 3e49ac09..b9dbe425 100644
--- a/app/corpora/cqi_over_socketio/cqi_corpora_corpus.py
+++ b/app/corpora/cqi_over_socketio/cqi_corpora_corpus.py
@@ -16,8 +16,8 @@ from .utils import cqi_over_socketio, lookups_by_cpos
 def cqi_corpora_corpus_drop(cqi_client: cqi.CQiClient, corpus_name: str):
     cqi_corpus = cqi_client.corpora.get(corpus_name)
     cqi_status = cqi_corpus.drop()
-    payload = {'code': cqi_status,
-               'msg': cqi.api.specification.lookup[cqi_status]}
+    payload = {'code': cqi_status.code,
+               'msg': cqi_status.__class__.__name__}
     return {'code': 200, 'msg': 'OK', 'payload': payload}
 
 
@@ -27,8 +27,8 @@ def cqi_corpora_corpus_drop(cqi_client: cqi.CQiClient, corpus_name: str):
 def cqi_corpora_corpus_query(cqi_client: cqi.CQiClient, corpus_name: str, subcorpus_name: str, query: str):  # noqa
     cqi_corpus = cqi_client.corpora.get(corpus_name)
     cqi_status = cqi_corpus.query(subcorpus_name, query)
-    payload = {'code': cqi_status,
-               'msg': cqi.api.specification.lookup[cqi_status]}
+    payload = {'code': cqi_status.code,
+               'msg': cqi_status.__class__.__name__}
     return {'code': 200, 'msg': 'OK', 'payload': payload}
 
 
@@ -50,177 +50,186 @@ def cqi_corpora_corpus_update_db(cqi_client: cqi.CQiClient, corpus_name: str):
 @cqi_over_socketio
 def cqi_corpora_corpus_get_visualization_data(cqi_client: cqi.CQiClient, corpus_name: str):
     corpus = cqi_client.corpora.get(corpus_name)
-    # s_attrs = [x for x in corpus.structural_attributes.list() if not x.has_values]
-    # p_attrs = corpus.positional_attributes.list()
-    # payload = {
-    #     's_attrs': {},
-    #     'p_attrs': {},
-    #     'values': {
-    #         's_attrs': {},
-    #         'p_attrs': {}
-    #     }
-    # }
-    # for s_attr in s_attrs:
-    #     s_attr_lbound, s_attr_rbound = s_attr.cpos_by_id(text_id)
-    #     s_attr_cpos_range = range(s_attr_lbound, s_attr_rbound + 1)
-    #     payload['text']['lexicon'][text_id] = {
-    #         's_attrs': [s_attr_lbound, s_attr_rbound],
-    #         'counts': {
-    #             'token': s_attr_rbound - s_attr_lbound + 1
-    #         },
-    #         'freqs': {
-    #             p_attr.name: dict(Counter(p_attr.ids_by_cpos(list(s_attr_cpos_range))))
-    #             for p_attr in p_attrs
-    #         }
-    #     }
-    # for p_attr in p_attrs:
-    #     payload['p_attrs'] = dict(
-
-    #     )
-    #     payload['values']['p_attrs'] = dict(
-    #         zip(
-    #             range(0, p_attr.lexicon_size),
-    #             p_attr.values_by_ids(list(range(0, p_attr.lexicon_size)))
-    #         )
-    #     )
-    text = corpus.structural_attributes.get('text')
-    text_value_names = []
-    text_values = []
-    for text_sub_attr in corpus.structural_attributes.list(filters={'part_of': text}):
-        text_value_names.append(text_sub_attr.name[(len(text.name) + 1):])
-        text_values.append(text_sub_attr.values_by_ids(list(range(0, text.size))))
-    s = corpus.structural_attributes.get('s')
-    ent = corpus.structural_attributes.get('ent')
-    ent_value_names = []
-    ent_values = []
-    for ent_sub_attr in corpus.structural_attributes.list(filters={'part_of': ent}):
-        ent_value_names.append(ent_sub_attr.name[(len(ent.name) + 1):])
-        ent_values.append(ent_sub_attr.values_by_ids(list(range(0, ent.size))))
-    word = corpus.positional_attributes.get('word')
-    lemma = corpus.positional_attributes.get('lemma')
-    pos = corpus.positional_attributes.get('pos')
-    simple_pos = corpus.positional_attributes.get('simple_pos')
-    payload = {}
-    payload['corpus'] = {'lexicon': {}, 'values': []}
-    payload['corpus']['lexicon'][0] = {
-        'bounds': [0, corpus.size - 1],
-        'counts': {
-            'text': text.size,
-            's': s.size,
-            'ent': ent.size,
-            'token': corpus.size
+    payload = {
+        'corpus': {
+            'bounds': [0, corpus.size - 1],
+            'counts': {},
+            'freqs': {}
         },
-        'freqs': {
-            'word': dict(
-                zip(
-                    range(0, word.lexicon_size),
-                    word.freqs_by_ids(list(range(0, word.lexicon_size)))
-                )
-            ),
-            'lemma': dict(
-                zip(
-                    range(0, lemma.lexicon_size),
-                    lemma.freqs_by_ids(list(range(0, lemma.lexicon_size)))
-                )
-            ),
-            'pos': dict(
-                zip(
-                    range(0, pos.lexicon_size),
-                    pos.freqs_by_ids(list(range(0, pos.lexicon_size)))
-                )
-            ),
-            'simple_pos': dict(
-                zip(
-                    range(0, simple_pos.lexicon_size),
-                    simple_pos.freqs_by_ids(list(range(0, simple_pos.lexicon_size)))
-                )
-            )
-        }
+        'p_attrs': {},
+        's_attrs': {},
+        'values': {'p_attrs': {}, 's_attrs': {}}
     }
-    payload['text'] = {'lexicon': {}, 'values': None}
-    for text_id in range(0, text.size):
-        text_lbound, text_rbound = text.cpos_by_id(text_id)
-        text_cpos_range = range(text_lbound, text_rbound + 1)
-        text_s_ids = s.ids_by_cpos(list(text_cpos_range))
-        text_ent_ids = ent.ids_by_cpos(list(text_cpos_range))
-        payload['text']['lexicon'][text_id] = {
-            'bounds': [text_lbound, text_rbound],
-            'counts': {
-                's': len([x for x in text_s_ids if x != -1]),
-                'ent': len([x for x in text_ent_ids if x != -1]),
-                'token': text_rbound - text_lbound + 1
-            },
-            'freqs': {
-                'word': dict(
-                    Counter(word.ids_by_cpos(list(text_cpos_range)))
-                ),
-                'lemma': dict(
-                    Counter(lemma.ids_by_cpos(list(text_cpos_range)))
-                ),
-                'pos': dict(
-                    Counter(pos.ids_by_cpos(list(text_cpos_range)))
-                ),
-                'simple_pos': dict(
-                    Counter(simple_pos.ids_by_cpos(list(text_cpos_range)))
-                )
-            }
-        }
-    payload['text']['values'] = text_value_names
-    payload['s'] = {'lexicon': {}, 'values': None}
-    for s_id in range(0, s.size):
-        payload['s']['lexicon'][s_id] = {
-            # 'bounds': s.cpos_by_id(s_id)
-        }
-    payload['s']['values'] = [
-        sub_attr.name[(len(s.name) + 1):]
-        for sub_attr in corpus.structural_attributes.list(filters={'part_of': s})
-    ]
-    payload['ent'] = {'lexicon': {}, 'values': None}
-    for ent_id in range(0, ent.size):
-        payload['ent']['lexicon'][ent_id] = {
-            # 'bounds': ent.cpos_by_id(ent_id)
-        }
-    payload['ent']['values'] = ent_value_names
-    payload['lookups'] = {
-        'corpus': {},
-        'text': {
-            text_id: {
-                text_value_name: text_values[text_value_name_idx][text_id_idx]
-                for text_value_name_idx, text_value_name in enumerate(text_value_names)
-            } for text_id_idx, text_id in enumerate(range(0, text.size))
-        },
-        's': {},
-        'ent': {
-            ent_id: {
-                ent_value_name: ent_values[ent_value_name_idx][ent_id_idx]
-                for ent_value_name_idx, ent_value_name in enumerate(ent_value_names)
-            } for ent_id_idx, ent_id in enumerate(range(0, ent.size))
-        },
-        'word': dict(
+    for p_attr in corpus.positional_attributes.list():
+        payload['corpus']['freqs'][p_attr.name] = dict(
             zip(
-                range(0, word.lexicon_size),
-                word.values_by_ids(list(range(0, word.lexicon_size)))
-            )
-        ),
-        'lemma': dict(
-            zip(
-                range(0, lemma.lexicon_size),
-                lemma.values_by_ids(list(range(0, lemma.lexicon_size)))
-            )
-        ),
-        'pos': dict(
-            zip(
-                range(0, pos.lexicon_size),
-                pos.values_by_ids(list(range(0, pos.lexicon_size)))
-            )
-        ),
-        'simple_pos': dict(
-            zip(
-                range(0, simple_pos.lexicon_size),
-                simple_pos.values_by_ids(list(range(0, simple_pos.lexicon_size)))
+                range(0, p_attr.lexicon_size),
+                p_attr.freqs_by_ids(list(range(0, p_attr.lexicon_size)))
             )
         )
-    }
+        payload['p_attrs'][p_attr.name] = dict(
+            zip(
+                range(0, corpus.size),
+                p_attr.ids_by_cpos(list(range(0, corpus.size)))
+            )
+        )
+        payload['values']['p_attrs'][p_attr.name] = dict(
+            zip(
+                range(0, p_attr.lexicon_size),
+                p_attr.values_by_ids(list(range(0, p_attr.lexicon_size)))
+            )
+        )
+    s = corpus.structural_attributes.get('s')
+    ent = corpus.structural_attributes.get('ent')
+    for s_attr in corpus.structural_attributes.list():
+        if s_attr.has_values:
+            continue
+        payload['corpus']['counts'][s_attr.name] = s_attr.size
+        payload['s_attrs'][s_attr.name] = {'lexicon': {}, 'values': []}
+        for id in range(0, s_attr.size):
+            payload['s_attrs'][s_attr.name]['lexicon'][id] = {}
+            if s_attr.name != 'text':
+                continue
+            lbound, rbound = s_attr.cpos_by_id(id)
+            payload['s_attrs'][s_attr.name]['lexicon'][id]['bounds'] = [lbound, rbound]
+            cpos_range = range(lbound, rbound + 1)
+            payload['s_attrs'][s_attr.name]['lexicon'][id]['counts'] = {}
+            payload['s_attrs'][s_attr.name]['lexicon'][id]['counts']['s'] = len({x for x in s.ids_by_cpos(list(cpos_range)) if x != -1})
+            payload['s_attrs'][s_attr.name]['lexicon'][id]['counts']['ent'] = len({x for x in ent.ids_by_cpos(list(cpos_range)) if x != -1})
+            payload['s_attrs'][s_attr.name]['lexicon'][id]['counts']['token'] = rbound - lbound + 1
+            payload['s_attrs'][s_attr.name]['lexicon'][id]['freqs'] = {}
+            for p_attr in corpus.positional_attributes.list():
+                payload['s_attrs'][s_attr.name]['lexicon'][id]['freqs'][p_attr.name] = dict(Counter(p_attr.ids_by_cpos(list(cpos_range))))
+    # for s_attr in s_attrs:
+    #     payload['s_attrs'][s_attr.name] = {'lexicon': {}, 'values': []}
+    #     payload['values']['s_attrs'][s_attr.name] = {}
+    #     for id in range(0, s_attr.size):
+    #         payload['s_attrs'][s_attr.name]['lexicon'][id] = {}
+    #         if s_attr.name != 'text':
+    #             continue
+    #         lbound, rbound = s_attr.cpos_by_id(id)
+    #         cpos_range = range(lbound, rbound + 1)
+    #         # s_ids
+    #         payload['s_attrs'][s_attr.name]['lexicon'][id]['bounds'] = [lbound, rbound]
+    #         payload['s_attrs'][s_attr.name]['lexicon'][id]['counts'] = {}
+    #         payload['s_attrs'][s_attr.name]['lexicon'][id]['counts']['token'] = rbound - lbound + 1
+    #         payload['s_attrs'][s_attr.name]['lexicon'][id]['freqs'] = {
+    #             p_attr.name: dict(Counter(p_attr.ids_by_cpos(list(cpos_range))))
+    #             for p_attr in p_attrs
+    #         }
+    #     for sub_attr in corpus.structural_attributes.list(filters={'part_of': s_attr}):
+    #         payload['s_attrs'][s_attr.name]['values'].append(sub_attr.name[(len(s_attr.name) + 1):])
+    #         payload['values']['s_attrs'][s_attr.name][sub_attr.name[(len(s_attr.name) + 1):]] = dict(
+    #             zip(
+    #                 range(0, sub_attr.size),
+    #                 sub_attr.values_by_ids(list(range(0, sub_attr.size)))
+    #             )
+    #         )
+    # text = corpus.structural_attributes.get('text')
+
+    # text = corpus.structural_attributes.get('text')
+    # text_value_names = []
+    # text_values = []
+    # for text_sub_attr in corpus.structural_attributes.list(filters={'part_of': text}):
+    #     text_value_names.append(text_sub_attr.name[(len(text.name) + 1):])
+    #     text_values.append(text_sub_attr.values_by_ids(list(range(0, text.size))))
+    # s = corpus.structural_attributes.get('s')
+    # ent = corpus.structural_attributes.get('ent')
+    # ent_value_names = []
+    # ent_values = []
+    # for ent_sub_attr in corpus.structural_attributes.list(filters={'part_of': ent}):
+    #     ent_value_names.append(ent_sub_attr.name[(len(ent.name) + 1):])
+    #     ent_values.append(ent_sub_attr.values_by_ids(list(range(0, ent.size))))
+    # word = corpus.positional_attributes.get('word')
+    # lemma = corpus.positional_attributes.get('lemma')
+    # pos = corpus.positional_attributes.get('pos')
+    # simple_pos = corpus.positional_attributes.get('simple_pos')
+    # payload = {}
+
+    # payload['text'] = {'lexicon': {}, 'values': None}
+    # for text_id in range(0, text.size):
+    #     text_lbound, text_rbound = text.cpos_by_id(text_id)
+    #     text_cpos_range = range(text_lbound, text_rbound + 1)
+    #     text_s_ids = s.ids_by_cpos(list(text_cpos_range))
+    #     text_ent_ids = ent.ids_by_cpos(list(text_cpos_range))
+    #     payload['text']['lexicon'][text_id] = {
+    #         'bounds': [text_lbound, text_rbound],
+    #         'counts': {
+    #             's': len([x for x in text_s_ids if x != -1]),
+    #             'ent': len([x for x in text_ent_ids if x != -1]),
+    #             'token': text_rbound - text_lbound + 1
+    #         },
+    #         'freqs': {
+    #             'word': dict(
+    #                 Counter(word.ids_by_cpos(list(text_cpos_range)))
+    #             ),
+    #             'lemma': dict(
+    #                 Counter(lemma.ids_by_cpos(list(text_cpos_range)))
+    #             ),
+    #             'pos': dict(
+    #                 Counter(pos.ids_by_cpos(list(text_cpos_range)))
+    #             ),
+    #             'simple_pos': dict(
+    #                 Counter(simple_pos.ids_by_cpos(list(text_cpos_range)))
+    #             )
+    #         }
+    #     }
+    # payload['text']['values'] = text_value_names
+    # payload['s'] = {'lexicon': {}, 'values': None}
+    # for s_id in range(0, s.size):
+    #     payload['s']['lexicon'][s_id] = {
+    #         # 'bounds': s.cpos_by_id(s_id)
+    #     }
+    # payload['s']['values'] = [
+    #     sub_attr.name[(len(s.name) + 1):]
+    #     for sub_attr in corpus.structural_attributes.list(filters={'part_of': s})
+    # ]
+    # payload['ent'] = {'lexicon': {}, 'values': None}
+    # for ent_id in range(0, ent.size):
+    #     payload['ent']['lexicon'][ent_id] = {
+    #         # 'bounds': ent.cpos_by_id(ent_id)
+    #     }
+    # payload['ent']['values'] = ent_value_names
+    # payload['lookups'] = {
+    #     'corpus': {},
+    #     'text': {
+    #         text_id: {
+    #             text_value_name: text_values[text_value_name_idx][text_id_idx]
+    #             for text_value_name_idx, text_value_name in enumerate(text_value_names)
+    #         } for text_id_idx, text_id in enumerate(range(0, text.size))
+    #     },
+    #     's': {},
+    #     'ent': {
+    #         ent_id: {
+    #             ent_value_name: ent_values[ent_value_name_idx][ent_id_idx]
+    #             for ent_value_name_idx, ent_value_name in enumerate(ent_value_names)
+    #         } for ent_id_idx, ent_id in enumerate(range(0, ent.size))
+    #     },
+    #     'word': dict(
+    #         zip(
+    #             range(0, word.lexicon_size),
+    #             word.values_by_ids(list(range(0, word.lexicon_size)))
+    #         )
+    #     ),
+    #     'lemma': dict(
+    #         zip(
+    #             range(0, lemma.lexicon_size),
+    #             lemma.values_by_ids(list(range(0, lemma.lexicon_size)))
+    #         )
+    #     ),
+    #     'pos': dict(
+    #         zip(
+    #             range(0, pos.lexicon_size),
+    #             pos.values_by_ids(list(range(0, pos.lexicon_size)))
+    #         )
+    #     ),
+    #     'simple_pos': dict(
+    #         zip(
+    #             range(0, simple_pos.lexicon_size),
+    #             simple_pos.values_by_ids(list(range(0, simple_pos.lexicon_size)))
+    #         )
+    #     )
+    # }
     # print(payload)
     return {'code': 200, 'msg': 'OK', 'payload': payload}
 
diff --git a/app/corpora/cqi_over_socketio/cqi_corpora_corpus_subcorpora.py b/app/corpora/cqi_over_socketio/cqi_corpora_corpus_subcorpora.py
index 578968be..38540df7 100644
--- a/app/corpora/cqi_over_socketio/cqi_corpora_corpus_subcorpora.py
+++ b/app/corpora/cqi_over_socketio/cqi_corpora_corpus_subcorpora.py
@@ -32,8 +32,8 @@ def cqi_corpora_corpus_subcorpora_subcorpus_drop(cqi_client: cqi.CQiClient, corp
     cqi_corpus = cqi_client.corpora.get(corpus_name)
     cqi_subcorpus = cqi_corpus.subcorpora.get(subcorpus_name)
     cqi_status = cqi_subcorpus.drop()
-    payload = {'code': cqi_status,
-               'msg': cqi.api.specification.lookup[cqi_status]}
+    payload = {'code': cqi_status.code,
+               'msg': cqi_status.__class__.__name__}
     return {'code': 200, 'msg': 'OK', 'payload': payload}