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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
! L6 C S, E' t! c9 |globals[
% O0 b/ F, k6 q0 ~) C1 v, N# ixmax
) w ]- z. u4 j5 @ymax
1 ^/ m* x6 Z/ O2 Tglobal-reputation-list
2 z% [; V- _/ O( d( V' P3 K) P/ {+ }& o. q0 M y
;;每一个turtle的全局声誉都存在此LIST中- |4 ?+ f. |# r7 D" e0 i& t
credibility-list
! R" z$ o) A* L8 ] L;;每一个turtle的评价可信度
3 a; o8 I8 o+ O0 Mhonest-service1 ~% i4 Z5 Z( N% e+ u) |
unhonest-service
9 L% k; P! H- @, Noscillation- d% F# b3 N. Q: A* ^! f
rand-dynamic" M: G+ t9 r: R) W: V9 q$ L
]
/ n3 v3 c3 P3 M3 K) O' c- h$ `% L# Z2 Q- K& b4 V, b. t
turtles-own[+ j3 j* E+ d4 c& c5 u
trade-record-all
9 k2 d! G4 S; T2 M;;a list of lists,由trade-record-one组成
9 |: R( c( A }- R# o: htrade-record-one
$ O# {* ]+ c( q! I6 @/ G( S;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
1 Y/ S2 D6 L/ a2 k% [5 }
( B% z" s2 ~, q6 i7 v4 w* r2 I% [;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]% l4 y$ L$ z: O* W
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉] Z( T' V7 P) V* l1 [) M$ L% b
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list1 A2 r+ e- T! m1 J0 z
neighbor-total
# u) v; t/ ~6 ];;记录该turtle的邻居节点的数目5 q0 Q. O' H `$ H
trade-time
+ l" K$ Z( Z! o, \* Y) Z;;当前发生交易的turtle的交易时间: S& G, h2 }; Q% x3 ?
appraise-give% M1 r3 ?7 M% e ^# [: c
;;当前发生交易时给出的评价
7 A, q H+ r2 c. H+ e( eappraise-receive
( }5 M% Q- R1 ^9 H;;当前发生交易时收到的评价
: v$ n: S; I1 z9 d5 n8 gappraise-time
5 X. E- Q% k2 G8 F;;当前发生交易时的评价时间4 `' P9 Q2 U( A/ |' _) v6 T8 P
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 p8 R q, ^+ S5 m* c( U2 A& T8 {
trade-times-total& K$ X* \9 P/ f; H, U; }
;;与当前turtle的交易总次数
6 s* K0 Y$ t# c5 V" x. y8 Atrade-money-total( W; ]. T% B' `# f! o: a
;;与当前turtle的交易总金额
$ K) G( N) c8 S! i+ V6 Z- B+ clocal-reputation+ k5 j( j8 g( |! N$ f5 M
global-reputation9 y7 U3 b f2 x) c8 V4 b7 y
credibility
7 Y F0 C F8 H& X$ P" f% A;;评价可信度,每次交易后都需要更新; a3 L4 k) i& K4 `* w2 H, n* T
credibility-all
7 ?' O$ g s3 r1 a+ `1 r0 C% \;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
. E* Q+ C; d6 f5 W( i$ q$ T0 I1 K5 {9 y! s E1 q
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
- e0 a& U! R: i- P5 [3 G3 A& @8 ocredibility-one
9 V4 }3 b" h Z. g;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项( W- c. h3 S/ N2 _. s% P8 L. v# ?
global-proportion% m$ c4 ]1 \ w0 ]1 n
customer' K Y% G6 Y- c7 h/ R3 C
customer-no
`6 ^# E4 A: y) F8 m, ktrust-ok
/ ^0 T" h9 u6 }+ I' j8 t9 }trade-record-one-len;;trade-record-one的长度* w2 ~- R O) e9 Q2 N
]" ?9 ?0 t! j1 P) T$ G' l
9 r) y. E, O4 d% @
;;setup procedure; J& _+ p3 }4 y: ^" u
2 ^ m o4 k% U. M3 W# s7 v) r8 Q
to setup# [7 d) r9 K0 r* [
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ca2 y- l1 A6 J9 R" i0 ?2 G
" _* h8 j1 e7 \initialize-settings+ b. \% c& D& \' D
# |) S; h; a; z2 w0 Ycrt people [setup-turtles]1 ?) ?# l8 L) u% t. n$ c
/ M- R: L* R5 s9 j# X& a @
reset-timer# a6 i" ?8 [5 b, o" R; ~$ H2 s
+ K4 B0 |" V: N. @+ D \poll-class+ M0 C; L0 |) `* W/ r$ N* s
- S2 z" ` o) F& s c8 E) F
setup-plots
7 o: g; A: ]+ D i
! \9 x+ d7 T0 ~- Z' Ido-plots6 _- F4 z" ]" L/ y; p2 F0 H( y
end6 s: z" ]4 [( x. A( g+ K4 m
4 A0 z9 _/ x! ]6 \4 y0 b6 |to initialize-settings- f- t/ T. I& o2 S- i j y& ~8 j
: T% Q' m. h4 r6 I$ {6 b1 g! `
set global-reputation-list []
1 v1 C. ?/ V$ r1 u% P3 _& O5 n. h& x% n
set credibility-list n-values people [0.5]
@& i( ]$ ]( v w4 n5 \; v# y/ P# I4 {$ a
set honest-service 0
, @0 m; V, I* k# W& e! T* {$ K9 `+ m# J+ D8 R1 m, @
set unhonest-service 0' w! p [1 X6 b/ Y5 ]
; x# T$ t, g- g* @5 P
set oscillation 0
+ x4 w# L% e: |8 c7 B- X, ^7 n% Y% X9 h/ ?
set rand-dynamic 0# O ~9 n! k' u4 R/ d
end: }! Z6 B6 Z& F
, Z; Z/ Y/ v* p* Y; Q! mto setup-turtles % q* o2 u4 F, u+ d3 K
set shape "person"
% N6 N; W( c* \% S* [3 B4 bsetxy random-xcor random-ycor
1 X/ K$ {. G- m1 Qset trade-record-one []3 ?0 L3 O" G. j. j( F
h5 W# [7 ^6 d
set trade-record-all n-values people [(list (? + 1) 0 0)] , o! X, k5 u. i* V7 C. j* `
2 k' D: ? B4 u2 ]) t o' `set trade-record-current []* P6 g* }! f8 \
set credibility-receive []
. `1 B; ~& u, _# G# Oset local-reputation 0.5( `: K% t9 p. l0 P9 d' A
set neighbor-total 00 Q- U0 D( v% K3 W: ]5 E6 E
set trade-times-total 0
9 p& x$ \: e# [: C$ f' ~set trade-money-total 0
7 }0 d& g. R s6 zset customer nobody
1 m- f" t1 U/ [ e- e" x4 Q; fset credibility-all n-values people [creat-credibility]
4 S* Z% a [ W7 s3 Y# ]set credibility n-values people [-1]
2 ~# Q3 r4 b T( h8 eget-color" F/ @2 Z8 u+ d) K6 j! g
+ K, X+ A) |- y9 Y( |4 Oend
, k( d* ~# B0 z
: g8 J( l5 k; W: W* K ?% |- i, Cto-report creat-credibility
4 C( q" ? N: B oreport n-values people [0.5]
. F) {" O% z5 y ^5 l6 hend* I0 J. W7 c2 v4 Z% f
H& Q. E; A' u) qto setup-plots1 i) F/ v5 e `* q6 Z! @
5 l$ S Q0 Y+ e" zset xmax 30
9 l' Y8 N1 }" x9 {/ U2 w4 h Z/ Y0 ~! q: o+ d% M' x
set ymax 1.0
6 V2 C; O c; l, u2 | w1 w& Z! T! {7 ~ {5 ] Y0 b7 e
clear-all-plots
3 A' H& W L2 a* a/ y9 O3 P5 u. F5 @, Q8 l8 d
setup-plot10 b8 L. N8 ]3 g8 d
* p0 o; z, m |1 P! t6 c
setup-plot2; h3 }/ o' Q4 t( J0 Q
& C8 B% t& a: f5 b# J$ h: O
setup-plot3; m2 I/ n5 V) d5 z6 c
end
' k& { v" p. w' g4 F4 A3 W
2 \7 D7 Q" R, f' i0 l# j% S;;run time procedures/ o, t/ o i' v, y: c. h
1 G3 |. Q* J" D; ^2 T" O9 h: ~6 z Bto go
: c1 p, @9 Y& D& J% _
9 C* p; \/ q* Q! fask turtles [do-business]. i9 p' I. i/ e; ]6 l$ e
end, y( i/ ?6 ^8 ~/ [ X) g
& V% R9 M3 X. H/ a( o6 ~7 p6 s# D- x
to do-business 4 ?0 S8 i0 d0 R. I6 B# ^$ o7 }
3 _7 l; Z6 [* q" T8 l" {5 n* w$ \4 _2 o2 W
rt random 3604 a: w2 X. C% `, A2 {$ e! V/ ?& v
" ~" _- a+ e0 X* [8 ifd 1& z9 ~! g [' \) l
, v3 }8 f: l& b8 A; d& t
ifelse(other turtles-here != nobody)[# y0 q; n- w. e& ?9 R7 p+ u
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set customer one-of other turtles-here+ D! X$ d7 i) d
- t2 T+ A8 R4 G4 b1 I;; set [customer] of customer myself% V8 H4 J' Z. T) [+ E3 E
" U! I' E6 A; }, \! a' z3 [set [trade-record-one] of self item (([who] of customer) - 1)
' d5 p g. v8 c1 H9 @/ ?: s# T[trade-record-all]of self5 T3 r. z) g1 L: C! `7 [, M
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
7 j$ k9 J, ?7 I2 a; O1 X& Z
- l/ J: G7 \1 nset [trade-record-one] of customer item (([who] of self) - 1)/ ^- ?3 u+ g2 f3 @ i
[trade-record-all]of customer! I$ m% {8 r, i% T+ `) }% k
3 c0 l4 r2 w# j' N) X. V
set [trade-record-one-len] of self length [trade-record-one] of self) X* a+ l. j" b5 c/ P- y
L# L2 `' l* O3 `8 r, I' h, R+ r
set trade-record-current( list (timer) (random money-upper-limit))
9 B5 W. F% ]/ A9 A! e
8 a C/ j1 a) R+ P7 Nask self [do-trust]* U4 M" T5 J) l
;;先求i对j的信任度
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. w( n/ x: u2 i& jif ([trust-ok] of self)
1 a/ y6 {' z8 U7 L$ `7 {$ s3 R;;根据i对j的信任度来决定是否与j进行交易[
; v7 m" w( p+ Q/ u- _ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
3 h' b4 q2 M; f( @) E5 D" o h; V9 }. Y# J9 Z0 J
[
* m7 e, O* A5 i+ y4 H' e0 c
. T o$ t5 w% L2 I5 Sdo-trade
' C4 k# T1 d* [) X. N" R
# I; s# S' K+ k7 ?; eupdate-credibility-ijl
: p4 O# G& J4 c" s5 h! T( \. j+ ?. T
update-credibility-list& m; O! D$ P3 |9 u% D1 ^# p6 Y
) j4 [5 \ \7 k
. ]3 Y6 V' I+ m4 o) ]4 |) ~update-global-reputation-list9 U0 Z0 `: E4 e3 d
3 t/ }: U& p" Ppoll-class% J7 ?: u# z6 x, e3 \, r
3 f! P$ w; m% h! C# [
get-color
9 N, x4 P& J5 T% f7 a4 F
4 z6 |0 D9 z3 r% b]]
5 d @) S. H( ~' T9 q, n, A9 @! i
;;如果所得的信任度满足条件,则进行交易' a5 b' R: o6 G h; I7 E' G
; d9 u1 C1 g% x: X. ][' {7 K- G+ x4 L4 }+ o' _' C1 _
2 e+ E7 F# |8 k/ b7 @$ wrt random 3600 P) E# H: h& h: P$ h
/ P6 N" g9 m, o1 [# h, e
fd 1: L7 m4 l; e" ^ u7 P' c* V* q
' K2 _) s) ?! z. y( E4 r
]* J9 A1 ]0 A9 t* p# @6 I9 ]
* R1 L3 S* V. `2 T K) U
end
6 L6 l& u0 k! y& v; m2 Q5 y& U* _
/ Z( F% N. f4 l8 o5 Dto do-trust , B+ `! r# f/ h0 y9 I
set trust-ok False
/ M5 |8 ? k( }, Z" e6 v: J+ n. u, c4 p! r+ o& b
9 }( ~- v( B/ y A4 Xlet max-trade-times 04 Y+ {7 ^+ C9 a' Y! Q+ |7 y' [! W/ M5 I
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" O/ C# @0 m, R+ |+ P! k! d! L3 Dlet max-trade-money 0; H& d- W$ j' Y* U' ^' D* l" ~
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
% S; C# A6 S5 y4 g/ Olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- g$ q: I( J' c& s! V. l+ e* }$ N _$ Y i% B% [9 V
; r& g- U) ?! _% f1 ?' Cget-global-proportion" F( N, w2 k1 r4 O9 C+ k
let trust-value" z, j: p/ Q7 {. z. U6 K) y
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)+ s( \1 V2 \8 ~4 |8 W* Z) U1 N+ B2 I
if(trust-value > trade-trust-value)
- Q3 m8 C: o e: B3 z4 \[set trust-ok true]: h" }$ v N+ P; G; l
end
# u# ^2 H; D9 O# A* @
7 G$ I4 o' l; e1 dto get-global-proportion
7 c4 {& L% |! N) \* [ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 z5 c; A+ q- o- ~( b
[set global-proportion 0]
" Y: n/ O* B( Y7 l[let i 0
. x7 Y3 v; n. {let sum-money 0' p, Z2 U6 O0 S
while[ i < people]4 f. ~# _' n& G
[
* F% B9 L* |! L& _& B) \if( length (item i2 V# Y" D1 m1 A
[trade-record-all] of customer) > 3 )7 B f V1 H! f) F. s# z
[8 Y5 k" h+ t, f9 D' x/ C) D1 a
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ c/ L8 a q" T5 i& B6 j]
1 G& O3 v3 l* F8 a0 S) T, j] K3 z& q& I/ d. r( r1 X
let j 0
! A% Y0 r/ `" x: ]( C6 X vlet note 0
) a) m5 M# Y+ H" X4 Hwhile[ j < people]7 u$ Q$ K/ T8 r0 J1 }) t4 [" W
[
" g. l I* `4 h- y- ?- gif( length (item i$ W$ B5 {" ^0 ?) `* U
[trade-record-all] of customer) > 3 )1 y$ G" G+ i" `
[3 _# c R3 v$ f: d! b0 G5 S2 @' |+ A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
) L: z) g, } [, O5 B# X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& K, x/ |/ E0 e T* ^! g
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
\* g$ \) S: {$ o]! |5 p6 q! h: n2 ^( X" ^
]
. D9 z2 _2 R, {2 \; l+ Uset global-proportion note
, F' {# K- i1 n0 B6 G]3 L- A% l9 k) c: h+ T' U/ w- ~
end& Q* c$ F- }: l; s/ C' a2 i
1 C/ Q1 \3 ?9 c; y0 Lto do-trade
+ I) p1 t5 \3 _3 W/ t! Z;;这个过程实际上是给双方作出评价的过程
: Z4 j- ?1 j# \2 qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价0 T: S$ c" K+ ]8 H3 }# A. { y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
$ f2 c; j1 @& q9 m7 Yset trade-record-current lput(timer) trade-record-current+ x3 H' x: g) \2 m1 J. G# R6 X- W
;;评价时间
( h; M. R: `! J Q: U$ a- }- S+ nask myself [8 `- i0 @) D: q; y& z
update-local-reputation Z. | r! ^& T1 N, Y& L! j# E0 g
set trade-record-current lput([local-reputation] of myself) trade-record-current2 X* H) g+ T5 p2 t+ e: E5 \
]
3 A" L) `1 _: D& |: o: pset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself( D; i6 ?* j7 c4 @) ]/ k9 ^/ H
;;将此次交易的记录加入到trade-record-one中* ^* N& Q1 I( q% Z# C+ Z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)5 d- ~' ?$ ^& G
let note (item 2 trade-record-current )* ~3 V. I+ K2 e* U% }# d
set trade-record-current. x1 q- X! k7 K# b* e: z
(replace-item 2 trade-record-current (item 3 trade-record-current))
& e h3 ?# s# Q9 H$ dset trade-record-current+ k+ d" A3 E" m
(replace-item 3 trade-record-current note)
( b; ]' S: U" \
' m7 ]: P6 @2 ?: Z4 R
6 @# b: C) X9 O: j9 t; ^# ^ask customer [3 u/ N8 [7 \* j5 N/ R% S
update-local-reputation
h* D( g. O% o( rset trade-record-current
6 W/ {; |' E. M1 ^/ }(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! K1 W4 L$ ~: R]
. ^: F a% I d: @! h* ]* K+ W; p$ ^: q. k' o
! f' `; n" G" l5 V
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
8 S) h( P, i& q
& w% x( Y* h) J/ E5 uset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- e, f# `& ?1 u* P& X, I+ T
;;将此次交易的记录加入到customer的trade-record-all中
3 a8 p1 S" p/ [end
" K! Z# P; o- x3 ]$ o; P4 D
" j0 R" D$ Z: P- i1 yto update-local-reputation! c" L7 U8 H7 w! x
set [trade-record-one-len] of myself length [trade-record-one] of myself
% h! d: y) _+ [# ?# Y9 k9 s# a
/ T9 D- m* j3 T" F6 L3 z' R0 ^1 `# R2 Q+ g. c+ q* M* m5 K5 D
;;if [trade-record-one-len] of myself > 3 0 F, n7 d5 A2 @% }
update-neighbor-total
; A! z2 ?. G; m1 ?6 \;;更新邻居节点的数目,在此进行4 c: p1 S3 C# n
let i 3* j) S9 Z: J* V
let sum-time 0
+ Y) Q* x# Q& G5 [2 y! ?8 uwhile[i < [trade-record-one-len] of myself]3 u( G7 B& \/ ~% @! g
[+ C! A6 n$ `" M
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
4 c* o$ a+ g& L$ m: V) P" q3 k9 lset i6 ^1 Q/ ~* p) G* J9 b( o/ \ z8 O8 ]
( i + 1)3 e! N4 J& T: h% Z/ q8 Z
]5 G' M. ?/ k/ W: z8 j2 v; j
let j 3
9 _+ y' O7 E2 T- Mlet sum-money 0
7 _" {# j# K! T8 Jwhile[j < [trade-record-one-len] of myself]* {3 p @! f* B: C9 t
[
" @9 ^" i; q, b n- F, Lset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
. J/ p' J/ e7 T( V( zset j9 v& H5 w6 K* J
( j + 1)
0 l X2 L6 R3 V) D+ H]
$ R, u2 b$ m. \let k 3
1 C+ O, l3 w% z8 X7 @8 L# p' dlet power 0
2 v2 `! @4 H7 i: klet local 0
6 d# P( G; Y, h& vwhile [k <[trade-record-one-len] of myself]& \ W1 S' k* }% V+ l9 h
[
. p) W6 R" I! O d* q$ X' T: rset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) 8 a" u4 {! ^2 q" ^
set k (k + 1)1 N) t$ B% J* A8 [4 ]9 U6 T
]
" L0 I- @" ]: N) `set [local-reputation] of myself (local)
, |- }. o# R, c9 z' U* D6 ^% Z! qend9 a; N: C$ J, c% d
3 f! Q7 C3 w( v6 R/ ]
to update-neighbor-total
* B$ u$ X3 P, p: J
/ U$ P5 j% I* @ k; Mif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 }, X# u0 x$ L, U7 D
/ C7 V# Q+ L/ k, k/ I4 O2 z* ?& W# m# i' w! p
end
! j8 {' B% Y* G6 F: }4 N8 o0 o. T/ V P% {2 Z' l
to update-credibility-ijl
. M6 S$ E" q! H
: o3 D! P+ a- R! g;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
6 I" l) E% Y, [let l 0
0 E& y7 f1 n5 I/ |: i1 k( c$ l% R) K% Cwhile[ l < people ]% ?3 z/ U3 t6 C( A+ F# S8 K9 W
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价- [1 n+ z2 }' Y4 G. c& M
[
" H+ s1 m0 Z& b" a1 e- @1 tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ v) B1 u; r3 o) n. Z4 Vif (trade-record-one-j-l-len > 3)( w7 ^- u, O3 B5 n7 R6 Q
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one6 T+ O- `7 U. N3 `& j* G: c( z
let i 3
0 D0 s6 T$ A8 T8 a3 ]3 Vlet sum-time 0
9 W5 h, W/ d; @, ?" owhile[i < trade-record-one-len]
1 g/ e [ h1 f T[; T9 e: N5 C; ?% m' p4 h
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 R2 X& i2 R$ ^* @- a- y4 n
set i _7 m t6 w v$ K E N5 ?+ u
( i + 1)
8 b# [! X; J# O/ Z4 W! G& []# l$ d9 R; H. R( O2 m
let credibility-i-j-l 0
+ x+ Q4 J5 N1 @: j1 |& p& g0 a;;i评价(j对jl的评价)) \ k3 g# H% R" `* A! ]
let j 3
9 c1 e) r% q0 Q3 H5 e Ulet k 4
5 l7 G H' ^# Z7 P' zwhile[j < trade-record-one-len]- s; r6 X2 K1 A4 P' C! _9 ]
[
) J# n- b0 M2 X. `! l2 Ewhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉9 O: D2 ^2 l) d" y' d6 d
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
: m1 {% f" A7 Z& U' lset j- J4 s) Z- |' a# q& S
( j + 1)* r/ ^9 ^: }* ~) q6 |
]) _' } Q1 X b8 g0 y" J
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))& _/ N0 z/ \" W$ R
/ e( f4 g; z* s m4 a
# a- A! Y+ F: t0 _: {6 K blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% y/ P" L' q a6 V/ O
;;及时更新i对l的评价质量的评价
, Y1 B( W# u* Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 |2 Y& N" m4 c/ D; T( c
set l (l + 1)
' v R1 Q8 c: d5 K# D. h2 U7 O) G; b]" ^2 v) m: r+ ?% O; n( h
end
8 @) b0 x* a6 P7 D9 B
0 c: ]: k% a; Ito update-credibility-list
" i, G/ ]% e" S! Alet i 0; G2 S4 Y6 E) K9 ~% ^4 U
while[i < people]+ ?5 s9 b* j+ K( g2 ^6 s; t6 l
[
* c& x) ~) Y% q- Llet j 0' {# [( x' d% W! R
let note 0
: c% ^" q5 Z5 y, `let k 0+ S* i$ e6 F7 A' s0 E
;;计作出过评价的邻居节点的数目/ @8 F/ |! u) ?" K# K) n
while[j < people], U4 t7 X& F9 q! o/ d0 B
[
6 R* L4 ]$ d9 m5 ?8 x8 V9 d. fif (item j( [credibility] of turtle (i + 1)) != -1)# N! ^. z% N/ _3 w4 l
;;判断是否给本turtle的评价质量做出过评价的节点
3 B( m0 A% w2 C& n5 Z" G7 \6 A[set note (note + item j ([credibility]of turtle (i + 1)))8 G) f6 i% k2 K
;;*(exp (-(people - 2)))/(people - 2))]6 K+ X! a7 c* r
set k (k + 1)) t& t( K) Y0 w# v8 M
]2 b3 z% U" `5 r; }7 @ Z
set j (j + 1)
& {7 `/ U0 H3 n' u; a& Q]
7 C2 D2 J' ^( L& T. x3 l' Nset note (note *(exp (- (1 / k)))/ k)' o1 o. W* c+ @' l4 n- K( S
set credibility-list (replace-item i credibility-list note)
% g& P6 T0 I' d* ?: D4 Iset i (i + 1)
. d U3 I j. P d- b: f w]! q- m& g8 x( ~+ s H+ b
end" x) e# F x" u' k' L
* X: ?# i5 {; X cto update-global-reputation-list
& H: x/ u! T; N8 `$ j% N k9 E, rlet j 0
$ E7 y. J8 O6 J. M* Gwhile[j < people]
- { H7 h# n; v- I( ^[
4 i9 X2 L8 v! ]: e7 elet new 0 d& d" A9 \* x! }8 y$ n) y" w
;;暂存新的一个全局声誉
& E3 {3 d& J+ T6 s" _% Flet i 0
, F9 s$ x' F) f/ vlet sum-money 0
0 O, ]5 X+ \- r Wlet credibility-money 01 s) _6 g6 r- ]7 g6 \
while [i < people]3 T1 i g8 K% i- F
[
8 w5 p. L- b3 cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
+ ~/ }% S N, Q, [, F: cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ J& V. K4 s; i0 {( z/ h- X( D7 u
set i (i + 1)
9 V9 w$ m) `5 l4 ?7 X]' y( P2 s3 \- y% ~8 f% t
let k 0
6 m' y' R; J! c+ X3 d) o/ |let new1 0
4 o" t' P8 { I, C; }7 m4 z' vwhile [k < people]
& p; Y( o% o( |$ b0 w[' ^2 R; O- E9 D- ]6 w5 Y5 P
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
; X6 e; O: S! @# I9 z9 Q6 q$ N* Lset k (k + 1)3 c! n. z8 V0 Q: F( Z. l: r$ V
]
5 q% P% a& |/ N7 p5 yset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 B- i' G: L6 z6 d, H: t
set global-reputation-list (replace-item j global-reputation-list new)" ]% D w7 {5 C/ g
set j (j + 1)
* Z% T) @: {; f]
S# c4 U8 y/ r9 V9 I0 Bend
" P6 }4 {& T& E. q$ H/ K ^8 ~$ j# I) e4 j: Z
- ` F, l( b5 a0 c$ m
" G: c O1 ^& M3 ~6 v( yto get-color8 v+ j) u# W4 j3 u8 {9 U
8 ]2 n$ m) U, Q7 Z4 C7 A
set color blue
+ S e' r3 J; Bend
}6 W+ p& }4 \5 F1 }
" x: g6 R% ?9 m+ R4 q" Fto poll-class
# F; S6 t3 _0 p, Rend
: I6 F s5 q# B( V" C, n
. I8 U3 O2 o% s9 f- o* b% Qto setup-plot1
+ ]: j4 u% e- X( L" O! C* J3 N8 R g8 L# F G( W; ]) ^& B6 z
set-current-plot "Trends-of-Local-reputation"
! J$ w6 Y1 h8 A1 c
0 n) e9 z: H; ^( f0 a6 Zset-plot-x-range 0 xmax
, B* i6 P% ]+ Y9 K, ^
: `6 B, n1 n0 _! D6 ]) ?- ~set-plot-y-range 0.0 ymax/ j. G9 G& c* K4 z, G
end
/ p8 G6 X' T5 j. ^: F- D0 h6 B; _. T# J
to setup-plot2
9 G, J5 G O8 g8 |
* o! a: e9 a& F. n4 S( Z- mset-current-plot "Trends-of-global-reputation"
3 f8 H3 I# S9 _3 z* d) ^- |- }$ U0 K* g" ]2 t5 `( y
set-plot-x-range 0 xmax
0 A: B5 }5 ^: G0 ^ r* D+ }! `; l
- {+ l2 b9 q* e5 c' G& p! gset-plot-y-range 0.0 ymax
6 A1 ]4 ? O8 ]/ m' ^6 B0 k/ Jend: S: J* J2 M" t- W6 _6 h3 V0 p
1 e7 i" P1 Q3 `: C0 ]' t. S! Ito setup-plot3* K5 ]% X8 H( y" q0 ^
0 {2 M. m% F8 iset-current-plot "Trends-of-credibility"- z+ U5 ^, x; A e. n. a2 b
4 F& r% I' X v% _
set-plot-x-range 0 xmax4 ]0 o0 F5 M! ]7 W9 N* I
8 |# I% b& [/ q+ D: C# K. S
set-plot-y-range 0.0 ymax
% C( C% O( c- k; Eend
/ E, ~9 N9 i$ x& ?$ U& i5 u& r$ G5 L( p5 ]; P; A
to do-plots
) ~, b w% p# Y5 i4 d: Jset-current-plot "Trends-of-Local-reputation"' f/ O, ^# K2 ~( L' i
set-current-plot-pen "Honest service"
6 D; }/ f( ]6 ]8 z; Eend
6 F2 r1 ~* X& x$ \4 C8 K+ P1 E# |5 V2 z, N
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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