ENIAMlexSemantics.ml
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(*
* ENIAMlexSemantics is a library that assigns tokens with lexicosemantic information.
* Copyright (C) 2016-2017 Wojciech Jaworski <wjaworski atSPAMfree mimuw dot edu dot pl>
* Copyright (C) 2016-2017 Institute of Computer Science Polish Academy of Sciences
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*)
open ENIAMtokenizerTypes
open ENIAMsubsyntaxTypes
open ENIAMlexSemanticsTypes
open ENIAMwalTypes
open Xstd
let find_meaning m =
try
ENIAMplWordnet.find_meaning m.plwnluid
with Not_found ->
m.name ^ "-" ^ m.variant, [], unknown_meaning_weight
let find_prep_meaning lemma hipero =
let hipero = match hipero with
[Predef hipero] -> hipero
| _ -> failwith "find_prep_meaning" in
if hipero = "ALL" then lemma, [hipero,0], unknown_meaning_weight else
let syn_id = StringMap.find !ENIAMplWordnet.predef hipero in
let hipero = IntMap.fold (ENIAMplWordnet.get_hipero syn_id) [] (fun hipero syn_id cost -> (ENIAMplWordnet.synset_name syn_id, cost) :: hipero) in
lemma, hipero, unknown_meaning_weight
let lex_sie = LCG (ENIAMwalRenderer.render_morf (SimpleLexArg("się",QUB)))
(* FIXME: naiwnie wierzymy, że jeśli leksem jest opisany semantycznie w walentym to zawiera ramy dla wszystkich sensów *)
let find_senses t s =
(*let set = Xlist.fold s.frames StringSet.empty (fun set frame ->
Xlist.fold frame.meanings set (fun set (name,hipero,weight) ->
StringSet.add set name)) in*)
let senses = match t.token with
Lemma(lemma,pos,_) -> ENIAMplWordnet.find_senses lemma pos
| Proper(_,_,_,senses) -> ENIAMplWordnet.find_proper_senses senses
| _ -> [] in
(* let senses =
Xlist.fold senses [] (fun senses (name,hipero,weight) ->
if StringSet.mem set name then senses else (name,hipero,weight) :: senses) in *)
let senses_sie = match t.token with
Lemma(lemma,pos,_) -> ENIAMplWordnet.find_senses (lemma ^ " się") pos
| Proper(_,_,_,senses) -> []
| _ -> [] in
(* let senses_sie = Xlist.fold senses_sie [] (fun senses_sie (name,hipero,weight) ->
if StringSet.mem set name then senses_sie else (name,hipero,weight) :: senses_sie) in
let frames = if senses = [] then s.frames else {empty_frame with meanings=senses} :: s.frames in
let frames = if senses_sie = [] then frames else {empty_frame with meanings=senses_sie;
positions=[{empty_position with role="Lemma"; mode=["lemma"]; morfs=[lex_sie]; is_necessary=Req}]} :: frames in*) (* FIXME: czy to nie usuwa elementów z ramy? *)
let frames = Xlist.fold s.frames [] (fun frames f ->
if f.meanings <> [] then f :: frames else
if senses = [] && senses_sie = [] then {f with meanings=[ENIAMtokens.get_lemma t.token, [], unknown_meaning_weight]} :: frames else
(if senses_sie = [] then [] else [{f with meanings=senses_sie; positions={empty_position with role="Lemma"; mode=["lemma"]; morfs=[lex_sie]; is_necessary=Req} :: f.positions}]) @
(if senses = [] then [] else [{f with meanings=senses}]) @ frames) in
{s with frames=frames}
let find_selprefs schema = (* FIXME: RelationRole *)
Xlist.map schema (fun p ->
let l = Xlist.fold p.sel_prefs [] (fun l -> function
SynsetId id -> (try ENIAMplWordnet.synset_name id :: l with ENIAMplWordnet.SynsetNotFound -> l)
| Predef s -> s :: l
| SynsetName _ -> failwith "find_selprefs"
| RelationRole _ -> l) in
let l = if l = [] then ["ALL"] else l in
{p with sel_prefs=Xlist.map l (fun s -> SynsetName s)})
let rec find a l i =
if a.(i) = max_int then (
a.(i) <- i;
i) else
if a.(i) = i then (
Xlist.iter l (fun j -> a.(j) <- i);
i) else
find a (i :: l) a.(i)
let union a i j =
if i = j then i else
let x = min i j in
let y = max i j in
a.(y) <- x;
x
let rec split_tokens_into_groups_sentence a = function
RawSentence s -> ()
| StructSentence([],_) -> ()
| StructSentence((id,_,_) :: paths,_) ->
ignore (Xlist.fold paths (find a [] id) (fun m (id,_,_) ->
union a m (find a [] id)))
| DepSentence(paths) ->
if Array.length paths = 0 then () else
let id,_,_ = paths.(0) in
ignore (Int.fold 1 (Array.length paths - 1) (find a [] id) (fun m i ->
let id,_,_ = paths.(i) in
union a m (find a [] id)))
| QuotedSentences sentences ->
Xlist.iter sentences (fun p ->
split_tokens_into_groups_sentence a p.sentence)
| AltSentence l -> Xlist.iter l (fun (mode,sentence) ->
split_tokens_into_groups_sentence a sentence)
let rec split_tokens_into_groups_paragraph a = function
RawParagraph s -> ()
| StructParagraph sentences ->
Xlist.iter sentences (fun p -> split_tokens_into_groups_sentence a p.sentence)
| AltParagraph l -> Xlist.iter l (fun (mode,paragraph) ->
split_tokens_into_groups_paragraph a paragraph)
let rec split_tokens_into_groups_text a = function
RawText s -> ()
| StructText paragraphs ->
Xlist.iter paragraphs (split_tokens_into_groups_paragraph a)
| AltText l -> Xlist.iter l (fun (mode,text) ->
split_tokens_into_groups_text a text)
let split_tokens_into_groups size text =
let a = Array.make size max_int in
split_tokens_into_groups_text a text;
Int.iter 1 (Array.length a - 1) (fun i ->
if a.(i) <> max_int then a.(i) <- a.(a.(i)));
let map = Int.fold 1 (Array.length a - 1) IntMap.empty (fun map i ->
if a.(i) = max_int then map else
IntMap.add_inc map a.(i) [i] (fun l -> i :: l)) in
IntMap.fold map [] (fun l _ v -> v :: l)
let get_preps tokens group = (* FIXME: To nie zadziała przy kilku wystąpieniach tego samego przyimka *)
let preps,compars = Xlist.fold group (StringMap.empty,StringSet.empty) (fun (preps,compars) id ->
let t = ExtArray.get tokens id in
match t.token with
Lemma(lemma,"prep",interp) ->
let preps = if lemma = "po" then StringMap.add_inc preps "po" (StringSet.singleton "postp") (fun cases -> StringSet.add cases "postp") else preps in (* FIXME: to należałoby dodawać w morfology *)
let preps = if lemma = "per" then StringMap.add_inc preps "per" (StringSet.singleton "voc") (fun cases -> StringSet.add cases "voc") else preps in (* FIXME: to należałoby dodawać w morfology *)
if StringSet.mem ENIAMvalence.compars lemma then preps,StringSet.add compars lemma else
Xlist.fold interp preps (fun map -> function
[cases] -> Xlist.fold cases map (fun map case -> StringMap.add_inc map lemma (StringSet.singleton case) (fun cases -> StringSet.add cases case))
| [cases;_] -> Xlist.fold cases map (fun map case -> StringMap.add_inc map lemma (StringSet.singleton case) (fun cases -> StringSet.add cases case))
| _ -> map),compars
| _ -> preps,compars) in
StringMap.fold preps [] (fun l prep v -> (prep, StringSet.to_list v) :: l), StringSet.to_list compars
let make_unique schemata =
let map = Xlist.fold schemata StringMap.empty (fun map (selectors,schema) ->
let s = "[" ^ ENIAMcategoriesPL.string_of_selectors selectors ^ "] {" ^ ENIAMwalStringOf.schema schema ^ "}" in
StringMap.add map s (selectors,schema)) in
StringMap.fold map [] (fun l _ (selectors,schema) -> (selectors,schema) :: l)
let semantize lemma pos (selectors,schema) =
let schema = Xlist.rev_map schema (fun p ->
{p with role="Arg"; sel_prefs=[Predef "X"]}) in (* FIXME: zaślepka, żeby preferować znane argumenty *)
Xlist.rev_map (ENIAMvalence.get_aroles schema lemma pos) (fun (sel,arole,arole_attr,arev) ->
{empty_frame with selectors=sel @ selectors; positions=schema;
arole=arole; arole_attr=arole_attr; arev=arev})
let load_num_sem filename (num_sem,num_sem_args) =
File.fold_tab filename (num_sem,num_sem_args) (fun (num_sem,num_sem_args) -> function
[lemma;_;nsems;meaning;sem_args] ->
let sem_args = Xstring.split "," sem_args in
Xlist.fold (Xstring.split "," nsems) num_sem (fun num_sem nsem ->
StringMap.add_inc num_sem lemma [nsem,meaning] (fun l -> (nsem,meaning) ::l)),
StringMap.add_inc num_sem_args lemma sem_args (fun _ -> failwith "load_num_sem")
| _ -> failwith "load_num_sem")
let num_sem = ref (StringMap.empty : (string * string) list StringMap.t)
let num_sem_args = ref (StringMap.empty : string list StringMap.t)
let add_sem_args lemma pos frame =
{frame with sem_args =
match pos with
"subst" | "depr" -> (try StringMap.find ENIAMlexSemanticsData.noun_sem_args lemma with Not_found -> [])
| "adj" | "adjc" | "adjp" -> (try StringMap.find ENIAMlexSemanticsData.adj_sem_args lemma with Not_found -> [])
| "adv" -> (try StringMap.find ENIAMlexSemanticsData.adv_sem_args lemma with Not_found -> [])
| "qub" -> (try StringMap.find ENIAMlexSemanticsData.qub_sem_args lemma with Not_found -> [])
| "ppron12" | "ppron3" | "siebie" -> (try StringMap.find ENIAMlexSemanticsData.pron_sem_args lemma with Not_found -> [])
| "num" -> (try StringMap.find !num_sem_args lemma with Not_found -> [])
| "ordnum" -> ["order"]
| _ -> []}
let assign_prep_semantics lemma =
let roles = try StringMap.find ENIAMlexSemanticsData.prep_roles lemma with Not_found -> [] in
Printf.printf "assign_prep_semantics: |roles|=%d\n%!" (Xlist.size roles);
Xlist.map roles (function (case,arole,arole_attr,hipero,sel_prefs) ->
Printf.printf "assign_prep_semantics: case=%s arole=%s arole_attr=%s\n%!" case arole arole_attr;
let meaning = find_prep_meaning lemma hipero in (* FIXME: zaślepka dla meaning i weight *)
print_endline "assign_prep_semantics 1";
let positions = [{empty_position with
sel_prefs=sel_prefs; dir=if lemma="temu" then Backward_ else Forward_;
morfs=ENIAMwalRenderer.assing_pref_morfs (lemma,case); is_necessary=Req}] in
print_endline "assign_prep_semantics 2";
{empty_frame with selectors=[ENIAM_LCGlexiconTypes.Case,ENIAM_LCGlexiconTypes.Eq,[case]]; meanings=[meaning]; positions=find_selprefs positions;
arole=arole; arole_attr=arole_attr; arev=false})
let assign_num_semantics lemma =
let sems = try StringMap.find !num_sem lemma with Not_found -> [] in
Xlist.map sems (fun (nsem,meaning) ->
let meaning,arole_attr =
if meaning = "" then (lemma, [], unknown_meaning_weight),"Approximate"
else (meaning, [], unknown_meaning_weight),"Exact" in
let arole = match nsem with
"count" -> "Count"
| "mass" -> "Measure"
| _ -> failwith "assign_num_semantics" in
{empty_frame with
selectors=[ENIAM_LCGlexiconTypes.Nsem,ENIAM_LCGlexiconTypes.Eq,[nsem]];
meanings=[meaning]; arole=arole; arole_attr=arole_attr; arev=false})
let assign_symb_num_semantics lemma pos =
let arole_attr = match pos with
"intnum" -> "Exact"
| "realnum" -> "Exact"
| "intnum-interval" -> "Approximate"
| "realnum-interval" -> "Approximate"
| _ -> failwith "assign_symb_num_semantics" in
[{empty_frame with
selectors=[ENIAM_LCGlexiconTypes.Nsem,ENIAM_LCGlexiconTypes.Eq,["count"]];
meanings=[lemma, [], unknown_meaning_weight]; arole="Count"; arole_attr=arole_attr; arev=false}]
(*let set_context lemma pos frame =
if pos = "fin" || pos = "praet" || pos = "winien" || pos = "inf" || pos = "pred" || pos = "impt" || pos = "imps" || pos = "ger" || pos = "pcon" || pos = "pant" then
[{frame with has_context=true}] else
if pos = "subst" then
if frame.meanings = [] then failwith "set_context" else
let Xlist.fold frame.meanings (fun -> ) in
else [{frame with has_context=true}](*wydarzenie 1 czynność 1*) (*czynności 1 czyn 1*)*)
let assign_valence tokens lex_sems group =
let lexemes = Xlist.fold group StringSet.empty (fun lexemes id ->
let lemma = ENIAMtokens.get_lemma (ExtArray.get tokens id).token in
StringSet.add lexemes lemma) in
let preps,compars = get_preps tokens group in
let compreps = ENIAMwalReduce.select_comprep_adjuncts lexemes in
let entries,schemata,connected = ENIAMwalReduce.select_entries lexemes in
Xlist.iter group (fun id ->
let lemma = ENIAMtokens.get_lemma (ExtArray.get tokens id).token in
let pos = ENIAMtokens.get_pos (ExtArray.get tokens id).token in
let pos2 = ENIAMvalence.simplify_pos pos in
let schemata = Entries.find schemata pos2 lemma in
let schemata = if schemata = [] then ENIAMvalence.get_default_valence pos2 else schemata in
(* Printf.printf "A %s %s %s |schemata|=%d\n" lemma pos pos2 (Xlist.size schemata); *)
let entries = Entries.find entries pos lemma in
let connected = Entries.find connected pos2 lemma in
let schemata1 = List.flatten (Xlist.map schemata (fun (opinion,neg,pred,aspect,schema) ->
ENIAMvalence.transform_entry pos lemma neg pred aspect schema)) in (* gubię opinię *)
(* Printf.printf "B %s |schemata|=%d\n" lemma (Xlist.size schemata); *)
let schemata = ENIAMadjuncts.simplify_schemata lexemes pos pos2 lemma schemata1 in
(* Printf.printf "C %s |schemata|=%d\n" lemma (Xlist.size schemata); *)
let schemata = Xlist.rev_map schemata (fun (selectors,schema) ->
selectors,ENIAMwalRenderer.render_simple_schema schema) in
let schemata = List.flatten (Xlist.rev_map schemata (ENIAMadjuncts.add_adjuncts preps compreps compars pos2)) in
(* Printf.printf "D %s |schemata|=%d\n" lemma (Xlist.size schemata); *)
let entries = List.flatten (Xlist.rev_map entries (ENIAMvalence.transform_lex_entry pos lemma)) in
let entries = Xlist.map entries (fun (selectors,entry) ->
selectors,ENIAMwalRenderer.render_lex_entry entry) in
let connected = List.flatten (Xlist.map connected (fun (sopinion,fopinion,meanings,neg,pred,aspect,schema1) ->
List.flatten (Xlist.rev_map (ENIAMvalence.transform_entry pos lemma neg pred aspect schema1) (fun (selectors,schema) ->
Xlist.rev_map (ENIAMvalence.get_aroles schema1 lemma pos) (fun (sel,arole,arole_attr,arev) ->
{selectors=sel @ selectors; meanings=Xlist.map meanings find_meaning; positions=schema;
arole=arole; arole_attr=arole_attr; arev=arev; sem_args=[]; sopinion=sopinion; fopinion=fopinion}))))) in
(* Printf.printf "E %s |connected|=%d\n" lemma (Xlist.size connected); *)
let connected = if connected = [] then List.flatten (Xlist.rev_map (make_unique schemata1) (semantize lemma pos)) else connected in
(* Printf.printf "F %s |connected|=%d\n" lemma (Xlist.size connected); *)
let connected = Xlist.fold connected [] (fun connected frame ->
if ENIAMadjuncts.check_selector_lex_constraints lexemes pos frame.selectors then frame :: connected else connected) in
(* Printf.printf "G %s |connected|=%d\n" lemma (Xlist.size connected); *)
let connected = Xlist.rev_map connected (fun frame ->
{frame with
positions = find_selprefs (ENIAMwalRenderer.render_connected_schema (ENIAMwalReduce.set_necessary frame.positions))}) in
(* Printf.printf "H %s |connected|=%d\n" lemma (Xlist.size connected); *)
let connected = List.flatten (Xlist.rev_map connected (ENIAMadjuncts.add_connected_adjuncts preps compreps compars pos2)) in
(* Printf.printf "I %s |connected|=%d\n" lemma (Xlist.size connected); *)
let connected = if pos = "prep" then
if connected <> [] then failwith "assign_valence" else
assign_prep_semantics lemma else connected in
let connected = if pos = "num" then
if connected <> [] then failwith "assign_valence" else
assign_num_semantics lemma else connected in
let connected = if pos = "intnum" || pos = "realnum" || pos = "intnum-interval" || pos = "realnum-interval" then
if connected <> [] then failwith "assign_valence" else
assign_symb_num_semantics lemma pos else connected in
(* Printf.printf "J %s |connected|=%d\n" lemma (Xlist.size connected); *)
let connected = if connected = [] then
Xlist.rev_map (ENIAMvalence.get_aroles [] lemma pos) (fun (sel,arole,arole_attr,arev) ->
{empty_frame with selectors=sel; arole=arole; arole_attr=arole_attr; arev=arev}) else connected in
let connected = Xlist.rev_map connected (add_sem_args lemma pos) in
(* let connected = List.flatten (Xlist.rev_map connected (set_context lemma pos)) in *)
(* Printf.printf "K %s |connected|=%d\n" lemma (Xlist.size connected); *)
ExtArray.set lex_sems id {(ExtArray.get lex_sems id) with
schemata=schemata; lex_entries=entries; frames=connected})
(* TODO:
slashe
zgranie z LCGlexicon
usuwanie lex_entries gdy nie spełnione są selektory i gdy nie ma pasującego id wśród innych tokenów
possp jako adjunct dla noun
- uwzględnienie cech morfoskładniowych - np usunięcie schematów wymagających negacji, gdy nie ma "nie"
- leksykalizacje bez schema
- scalanie frames
*)
(*
let assign_valence tokens lex_sems group =
let lexemes = Xlist.fold group StringMap.empty (fun lexemes id ->
match (ExtArray.get tokens id).token with
Lemma(lemma,pos,_) ->
StringMap.add_inc lexemes lemma (StringSet.singleton pos) (fun set -> StringSet.add set pos)
| Proper(lemma,pos,_,_) ->
let pos = match pos with
"subst" -> "psubst"
| "depr" -> "pdepr"
| _ -> pos (*failwith ("assign_valence: Proper " ^ pos ^ " " ^ lemma)*) in
StringMap.add_inc lexemes lemma (StringSet.singleton pos) (fun set -> StringSet.add set pos) (* nazwy własne mają przypisywaną domyślną walencję rzeczowników *)
| _ -> lexemes) in
let valence = ENIAMwalenty.find_frames lexemes in
Xlist.iter group (fun id ->
match (ExtArray.get tokens id).token with
Lemma(lemma,pos,_) ->
ExtArray.set lex_sems id {(ExtArray.get lex_sems id) with
valence=try Xlist.rev_map (StringMap.find (StringMap.find valence lemma) pos) (fun frame -> 0,frame) with Not_found -> []}
| Proper(lemma,pos,interp,_) ->
ExtArray.set lex_sems id {(ExtArray.get lex_sems id) with
valence=(try Xlist.rev_map (StringMap.find (StringMap.find valence lemma)
(if pos = "subst" || pos = "depr" then "p" ^ pos else pos)) (fun frame -> 0,frame) with Not_found -> [](*failwith ("assign_valence: Proper(" ^ lemma ^ "," ^ pos ^ ")")*))};
ExtArray.set tokens id {(ExtArray.get tokens id) with token=Lemma(lemma,pos,interp)}
| _ -> ())
*)
let disambiguate_senses lex_sems group =
let prefs = Xlist.fold group (StringSet.singleton "ALL") (fun prefs id ->
Xlist.fold (ExtArray.get lex_sems id).frames prefs (fun prefs frame ->
Xlist.fold frame.positions prefs (fun prefs t ->
Xlist.fold t.sel_prefs prefs (fun prefs -> function
SynsetName s -> StringSet.add prefs s
| _ -> failwith "disambiguate_senses")))) in
(*let hipero = Xlist.fold group (StringSet.singleton "ALL") (fun hipero id ->
Xlist.fold (ExtArray.get lex_sems id).senses hipero (fun hipero (_,l,_) ->
Xlist.fold l hipero StringSet.add)) in
let senses = StringSet.intersection prefs hipero in
let is_zero = StringSet.mem hipero "0" in
let senses = if is_zero then StringSet.add senses "0" else senses in*)
Xlist.iter group (fun id ->
let t = ExtArray.get lex_sems id in
ExtArray.set lex_sems id {t with frames=Xlist.map t.frames (fun frame ->
let meanings = Xlist.map frame.meanings (fun (name,hipero,weight) ->
let hipero = Xlist.fold hipero ["ALL",0] (fun hipero (name,cost) ->
if StringSet.mem prefs name then (name,cost) :: hipero else hipero) in
name,hipero,weight) in
{frame with meanings=meanings})})
let remove_unused_tokens tokens groups =
let set = Xlist.fold groups IntSet.empty (fun set group ->
Xlist.fold group set IntSet.add) in
Int.iter 1 (ExtArray.size tokens - 1) (fun i ->
if IntSet.mem set i then () else
ExtArray.set tokens i ENIAMtokenizerTypes.empty_token_env)
let assign tokens text =
let lex_sems = ExtArray.make (ExtArray.size tokens) empty_lex_sem in
let _ = ExtArray.add lex_sems empty_lex_sem in
Int.iter 1 (ExtArray.size tokens - 1) (fun i ->
ignore (ExtArray.add lex_sems empty_lex_sem));
let groups = split_tokens_into_groups (ExtArray.size tokens) text in
(* Xlist.iter groups (fun group -> print_endline (String.concat " " (Xlist.map group string_of_int))); *)
remove_unused_tokens tokens groups;
Xlist.iter groups (fun group -> assign_valence tokens lex_sems group);
Int.iter 1 (ExtArray.size tokens - 1) (fun i ->
let token = ExtArray.get tokens i in
let lex_sem = ExtArray.get lex_sems i in
let lex_sem = find_senses token lex_sem in
ExtArray.set lex_sems i lex_sem);
Xlist.iter groups (fun group -> disambiguate_senses lex_sems group);
(*Xlist.iter groups (fun group -> ENIAMlexSemanticsData.assign_semantics tokens lex_sems group); *)
lex_sems
let catch_assign tokens text =
try
assign tokens text,""
with e ->
ExtArray.make 0 empty_lex_sem,
Printexc.to_string e
let initialize () =
ENIAMsubsyntax.initialize ();
ENIAMwalParser.initialize ();
ENIAMwalReduce.initialize ();
ENIAMplWordnet.initialize ();
ENIAMcategoriesPL.initialize ();
let a,b = File.catch_no_file (load_num_sem ENIAM_LCGlexiconTypes.num_nsems_filename) (StringMap.empty,StringMap.empty) in
num_sem := a;
num_sem_args := b;
()